WO2017009531A1 - Transparent protective wall member for use in a method or in an apparatus for laser assisted optical emission spectroscopy of fluids - Google Patents

Transparent protective wall member for use in a method or in an apparatus for laser assisted optical emission spectroscopy of fluids Download PDF

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Publication number
WO2017009531A1
WO2017009531A1 PCT/FI2016/050507 FI2016050507W WO2017009531A1 WO 2017009531 A1 WO2017009531 A1 WO 2017009531A1 FI 2016050507 W FI2016050507 W FI 2016050507W WO 2017009531 A1 WO2017009531 A1 WO 2017009531A1
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WO
WIPO (PCT)
Prior art keywords
wall member
protective wall
transparent protective
frame
circumferential surface
Prior art date
Application number
PCT/FI2016/050507
Other languages
French (fr)
Inventor
Lauri KÖRESAAR
Juha TIMPERI
Arto OLLIKAINEN
Original Assignee
Outotec (Finland) Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Outotec (Finland) Oy filed Critical Outotec (Finland) Oy
Priority to BR112018000573-8A priority Critical patent/BR112018000573B1/en
Priority to AU2016294459A priority patent/AU2016294459A1/en
Priority to RU2018103057U priority patent/RU186036U1/en
Priority to TR2018/00243U priority patent/TR201800243U5/en
Priority to CN201690001079.2U priority patent/CN208060393U/en
Publication of WO2017009531A1 publication Critical patent/WO2017009531A1/en
Priority to FIU20184020U priority patent/FI12043U1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
    • G01N21/718—Laser microanalysis, i.e. with formation of sample plasma
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0389—Windows
    • G01N2021/0396—Oblique incidence

Definitions

  • the invention relates to a transparent protective wall member for use in a method or in an apparatus for laser assisted optical emission spectroscopy of fluids as defined in the preamble of independent claim 1.
  • Atomic/optical emission spectroscopy is a method to measure the presence or quantity of an element in a sample.
  • a source for electromagnetic energy such as a laser
  • plasma is induced in the sample and electrons in an element are excited to a higher level, and as the electrons decay back to a lower energy level they emit photons at a characteristic wavelength.
  • Light i.e. photons emitted by the plasma are received and analyzed in a spectroscopy system.
  • the wavelength is proportional to the energy difference between the exited state and the state it decays to.
  • the measured intensity is proportional to the concentration of the measured element in the plasma, the atomic parameters of the measured transition including the transition probability and the energy of the excited state, and parameter of the plasma including electron density and temperature.
  • Atomic/optical emission spectroscopy can for example be used for to measure the presence or quantity of an element / elements in a fluid sample flow.
  • a transparent protective wall member can be placed between the fluid that is to be analyzed and the measurement devices including the laser and the spectroscopy system to protect the measurement devices from the fluid.
  • a problem in methods and arrangements for laser assisted optical emission spectroscopy of fluids that if a laser beam produced by the laser device is directed perpendicularly at a surface along which the fluid to be analyzed flows, the laser beam will partly be reflected back by the surface to the laser device and the laser device will be damaged.
  • the object of the invention is to provide a transparent protective wall member use in a method or in an apparatus for laser assisted optical emission spectroscopy of fluids that solves the above-identified problem.
  • the transparent protective wall member for use in a method for laser assisted optical emission spectroscopy of fluids or in an apparatus for laser assisted optical emission spectroscopy of fluids of the invention is characterized by the definitions of independent claim 1.
  • the invention is based on arranging a transparent plate of the transparent protective wall member in a frame of the transparent protective wall member so that the transparent protective wall member is inclined with respect to the frame.
  • the inclination of the transparent plate of the transparent protective wall member causes the laser beam to be bended when travelling through the transparent plate of the transparent protective wall member and thus preventing the laser beam to be at least partly be reflected back into the laser.
  • Figure 1 shows in cut view the function principle an embodiment of an apparatus for laser assisted optical emission spectroscopy
  • FIG. 2 shows in greater detail the apparatus for laser assisted optical emission spectroscopy shown in figure 1,
  • Figure 3 shows an embodiment of a transparent wall member
  • Figure 4 shows the transparent wall member shown in figure 3 from another angle
  • Figure 5 shows the transparent wall member shown in figure 3 in cut view.
  • the invention relates to a transparent protective wall member 1 for use in a method for laser assisted optical emission spectroscopy of fluids or in an apparatus for laser assisted optical emission spectroscopy of fluids.
  • the transparent protective wall member 1 has a transparent plate 2 having a first plane side 3 and a first plane side 4 and an edge 5 between the first plane side 3 and the first plane side 4, wherein the first plane side 3 and the first plane side 4 being parallel.
  • the transparent protective wall member 1 has a frame 6 at least partly surrounding the transparent plate 2.
  • the frame 6 has first connection means 7 for co-operation with second connection means 8 of an apparatus for laser assisted optical emission spectroscopy of fluids for releasable attaching and aligning the transparent protective wall member 1 between a fluid sample flow 9 that flows through a flow cell 10 of the apparatus for laser assisted optical emission spectroscopy of fluids and a laser device 11 of the apparatus for laser assisted optical emission spectroscopy of fluids so that an interspace (not marked with a reference numeral) is formed between the transparent protective wall member 1 and the fluid sample flow 9 that flows through the flow cell 10 and so that a laser beam 12 produced by the laser device 11 penetrates the transparent plate 2 of the transparent protective wall member 1.
  • the first connection means 7 of the frame 6 has an first planar end alignment surface 13 for aligning the transparent protective wall member 1 to a second planar alignment surface 14 of the apparatus for laser assisted optical emission spectroscopy of fluids.
  • the transparent plate 2 is arranged in the frame 6 so that the first plane side 3 and the first plane side 4 of the transparent protective wall member 1 being inclined with respect to the first planar end alignment surface 13 by a tilt angle A between 1 and 10°, preferably between 2 and 7°, such as about 3°.
  • the first connection means 7 of the frame 6 may have an outer circumferential alignment surface 15 for aligning the transparent protective wall member 1 to an inner circumferential alignment surface 16 of the apparatus for laser assisted optical emission spectroscopy of fluids.
  • the frame 6 may be in the shape of solid of revolution so that by the frame 6 has an outer circumferential surface 17, an inner circumferential surface 18, a first end surface 19 between the outer circumferential surface 17 and the inner circumferential surface 18, and an opposite second end surface 20 between the outer circumferential surface 17 and the inner circumferential surface 18.
  • the largest inner diameter of the inner circumferential surface 18 of the frame 6 may be between 50 and 60 mm, preferably about 55 mm, and the smallest outer diameter of the outer circumferential surface 17 of the frame 6 may be between 70 and 80 mm, preferably about 75 mm.
  • the transparent protective wall member 1 may comprise a first aligning member 21 for co-operation with a second aligning member 22 of the apparatus for laser assisted optical emission spectroscopy of fluids, wherein the first aligning member 21 is arranged at the outer circumferential surface 17 of the frame 6.
  • the first aligning member 21 may comprise a steel pin, preferably a stainless steel pin, arranged in a blind hole 23 in the outer circumferential surface 17 of the frame 6.
  • the transparent protective wall member 1 may comprise a first O-ring 24 arranged in a first circumferential groove 25 in the outer circumferential surface 17 of the frame 6.
  • the edge 5 of the transparent plate 2 having a cylindrical form so that the edge 5 of the transparent plate 2 has a form and dimensions corresponding to the form and the dimensions of a section of the inner circumferential surface 18 of the frame 6, and so that the transparent plate 2 is locked with respect to the frame 6 in said section of the inner circumferential surface 18 of the frame 6 between a second O-ring 26 arranged in a second circumferential groove 27 in the inner circumferential surface 18 of the frame 6 and clip 28 such as a C-clip arranged in a third circumferential groove 29 in the inner circumferential surface 18 of the frame 6.
  • the transparent plate 2 may have a diameter between 50 and 60 mm, such as about 55 mm.
  • the transparent protective wall member 1 may comprise a first magnet 30 at the outer circumferential surface 17 of the frame 6 for co-operation with a second magnet (not shown) of the apparatus for laser assisted optical emission spectroscopy of fluids and configured to indicate correct attaching and alignment of the transparent protective wall member 1 with respect to the apparatus for laser assisted optical emission spectroscopy of fluids.
  • the frame 6 may be provided with at least one bore 31 configured to facilitate attaching of the transparent protective wall member 1 to the apparatus for laser assisted optical emission spectroscopy of fluids and configured to facilitate detaching of the transparent protective wall member 1 to the apparatus for laser assisted optical emission spectroscopy of fluids.
  • the transparent plate 2 of the transparent protective wall member 1 may have a transmission of at least 80 % for wavelengths between 190 and 1100 nm, preferably of at least 85 % for wavelengths between 190 and 1100 nm, more preferably of at least 90 % for wavelengths between 190 and 1100 nm.
  • the transparent plate 2 of the transparent protective wall member 1 may comprise at least one of the following: CaF 2 , fused silica, sapphire, MgF 2 , and crystal quartz.
  • the distance between the first plane side 3 of the transparent plate 2 and the first plane side 4 of the transparent plate 2 may be between 2 and 8 mm, preferably between 3 and 7 mm, more preferably between 4 and 6 mm, such as about 5 mm.

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The invention relates to a transparent protective wall member (1) for use in a method or in an apparatus for laser assisted optical emission spectroscopy of fluids. The transparent protective wall member (1) have a transparent plate (2) having a first plane side (3) and a first plane side (4), wherein the first plane side (3) and the first plane side (4) being parallel. The transparent plate (2) being arranged in the frame (6) of the transparent protective wall member (1) so that the first plane side (3) and the first plane side (4) of the transparent protective wall member (1) being inclined with respect to the first planar end alignment surface (13) by a tilt angle A between 1 and 10º.

Description

TRANSPARENT PROTECTIVE WALL MEMBER FOR USE IN A METHOD OR IN AN APPARATUS FOR LASER ASSISTED OPTICAL EMISSION SPECTROSCOPY OF FLUIDS Field of the invention
The invention relates to a transparent protective wall member for use in a method or in an apparatus for laser assisted optical emission spectroscopy of fluids as defined in the preamble of independent claim 1.
Atomic/optical emission spectroscopy is a method to measure the presence or quantity of an element in a sample. By means of a source for electromagnetic energy such as a laser, plasma is induced in the sample and electrons in an element are excited to a higher level, and as the electrons decay back to a lower energy level they emit photons at a characteristic wavelength. Light i.e. photons emitted by the plasma are received and analyzed in a spectroscopy system. The wavelength is proportional to the energy difference between the exited state and the state it decays to. The measured intensity is proportional to the concentration of the measured element in the plasma, the atomic parameters of the measured transition including the transition probability and the energy of the excited state, and parameter of the plasma including electron density and temperature.
Atomic/optical emission spectroscopy can for example be used for to measure the presence or quantity of an element / elements in a fluid sample flow.
In methods and arrangements for laser assisted optical emission spectroscopy of fluids, such as in the method and apparatus presented in publication WO 2015/082752, a transparent protective wall member can be placed between the fluid that is to be analyzed and the measurement devices including the laser and the spectroscopy system to protect the measurement devices from the fluid.
A problem in methods and arrangements for laser assisted optical emission spectroscopy of fluids that if a laser beam produced by the laser device is directed perpendicularly at a surface along which the fluid to be analyzed flows, the laser beam will partly be reflected back by the surface to the laser device and the laser device will be damaged.
Objective of the invention
The object of the invention is to provide a transparent protective wall member use in a method or in an apparatus for laser assisted optical emission spectroscopy of fluids that solves the above-identified problem.
Short description of the invention
The transparent protective wall member for use in a method for laser assisted optical emission spectroscopy of fluids or in an apparatus for laser assisted optical emission spectroscopy of fluids of the invention is characterized by the definitions of independent claim 1.
Preferred embodiments of the transparent protective wall member are defined in the dependent claims.
The invention is based on arranging a transparent plate of the transparent protective wall member in a frame of the transparent protective wall member so that the transparent protective wall member is inclined with respect to the frame. The inclination of the transparent plate of the transparent protective wall member causes the laser beam to be bended when travelling through the transparent plate of the transparent protective wall member and thus preventing the laser beam to be at least partly be reflected back into the laser.
List of figures
In the following the invention will described in more detail by referring to the figures, of which
Figure 1 shows in cut view the function principle an embodiment of an apparatus for laser assisted optical emission spectroscopy,
Figure 2 shows in greater detail the apparatus for laser assisted optical emission spectroscopy shown in figure 1,
Figure 3 shows an embodiment of a transparent wall member,
Figure 4 shows the transparent wall member shown in figure 3 from another angle, and Figure 5 shows the transparent wall member shown in figure 3 in cut view.
Detailed description of the invention
The invention relates to a transparent protective wall member 1 for use in a method for laser assisted optical emission spectroscopy of fluids or in an apparatus for laser assisted optical emission spectroscopy of fluids.
The transparent protective wall member 1 has a transparent plate 2 having a first plane side 3 and a first plane side 4 and an edge 5 between the first plane side 3 and the first plane side 4, wherein the first plane side 3 and the first plane side 4 being parallel.
The transparent protective wall member 1 has a frame 6 at least partly surrounding the transparent plate 2.
The frame 6 has first connection means 7 for co-operation with second connection means 8 of an apparatus for laser assisted optical emission spectroscopy of fluids for releasable attaching and aligning the transparent protective wall member 1 between a fluid sample flow 9 that flows through a flow cell 10 of the apparatus for laser assisted optical emission spectroscopy of fluids and a laser device 11 of the apparatus for laser assisted optical emission spectroscopy of fluids so that an interspace (not marked with a reference numeral) is formed between the transparent protective wall member 1 and the fluid sample flow 9 that flows through the flow cell 10 and so that a laser beam 12 produced by the laser device 11 penetrates the transparent plate 2 of the transparent protective wall member 1.
The first connection means 7 of the frame 6 has an first planar end alignment surface 13 for aligning the transparent protective wall member 1 to a second planar alignment surface 14 of the apparatus for laser assisted optical emission spectroscopy of fluids.
The transparent plate 2 is arranged in the frame 6 so that the first plane side 3 and the first plane side 4 of the transparent protective wall member 1 being inclined with respect to the first planar end alignment surface 13 by a tilt angle A between 1 and 10°, preferably between 2 and 7°, such as about 3°.
The first connection means 7 of the frame 6 may have an outer circumferential alignment surface 15 for aligning the transparent protective wall member 1 to an inner circumferential alignment surface 16 of the apparatus for laser assisted optical emission spectroscopy of fluids.
The frame 6 may be in the shape of solid of revolution so that by the frame 6 has an outer circumferential surface 17, an inner circumferential surface 18, a first end surface 19 between the outer circumferential surface 17 and the inner circumferential surface 18, and an opposite second end surface 20 between the outer circumferential surface 17 and the inner circumferential surface 18.
If the frame 6 is in the shape of solid of revolution as described earlier, the largest inner diameter of the inner circumferential surface 18 of the frame 6 may be between 50 and 60 mm, preferably about 55 mm, and the smallest outer diameter of the outer circumferential surface 17 of the frame 6 may be between 70 and 80 mm, preferably about 75 mm.
If the frame 6 is in the shape of solid of revolution as described earlier, the transparent protective wall member 1 may comprise a first aligning member 21 for co-operation with a second aligning member 22 of the apparatus for laser assisted optical emission spectroscopy of fluids, wherein the first aligning member 21 is arranged at the outer circumferential surface 17 of the frame 6. The first aligning member 21 may comprise a steel pin, preferably a stainless steel pin, arranged in a blind hole 23 in the outer circumferential surface 17 of the frame 6.
If the frame 6 is in the shape of solid of revolution as described earlier, the transparent protective wall member 1 may comprise a first O-ring 24 arranged in a first circumferential groove 25 in the outer circumferential surface 17 of the frame 6.
If the frame 6 is in the shape of solid of revolution as described earlier, the edge 5 of the transparent plate 2 having a cylindrical form so that the edge 5 of the transparent plate 2 has a form and dimensions corresponding to the form and the dimensions of a section of the inner circumferential surface 18 of the frame 6, and so that the transparent plate 2 is locked with respect to the frame 6 in said section of the inner circumferential surface 18 of the frame 6 between a second O-ring 26 arranged in a second circumferential groove 27 in the inner circumferential surface 18 of the frame 6 and clip 28 such as a C-clip arranged in a third circumferential groove 29 in the inner circumferential surface 18 of the frame 6. In such case, the transparent plate 2 may have a diameter between 50 and 60 mm, such as about 55 mm. If the frame 6 is in the shape of solid of revolution as described earlier, the transparent protective wall member 1 may comprise a first magnet 30 at the outer circumferential surface 17 of the frame 6 for co-operation with a second magnet (not shown) of the apparatus for laser assisted optical emission spectroscopy of fluids and configured to indicate correct attaching and alignment of the transparent protective wall member 1 with respect to the apparatus for laser assisted optical emission spectroscopy of fluids.
If the frame 6 is in the shape of solid of revolution as described earlier, the frame 6 may be provided with at least one bore 31 configured to facilitate attaching of the transparent protective wall member 1 to the apparatus for laser assisted optical emission spectroscopy of fluids and configured to facilitate detaching of the transparent protective wall member 1 to the apparatus for laser assisted optical emission spectroscopy of fluids.
The transparent plate 2 of the transparent protective wall member 1 may have a transmission of at least 80 % for wavelengths between 190 and 1100 nm, preferably of at least 85 % for wavelengths between 190 and 1100 nm, more preferably of at least 90 % for wavelengths between 190 and 1100 nm.
The transparent plate 2 of the transparent protective wall member 1 may comprise at least one of the following: CaF2, fused silica, sapphire, MgF2, and crystal quartz.
The distance between the first plane side 3 of the transparent plate 2 and the first plane side 4 of the transparent plate 2 may be between 2 and 8 mm, preferably between 3 and 7 mm, more preferably between 4 and 6 mm, such as about 5 mm.
It is apparent to a person skilled in the art that as technology advanced, the basic idea of the invention can be implemented in various ways. The invention and its embodiments are therefore not restricted to the above examples, but they may vary within the scope of the claims.

Claims

Claims
1. A transparent protective wall member (1) for use in a method for laser assisted optical emission spectroscopy of fluids or in an apparatus for laser assisted optical emission spectroscopy of fluids,
characterized
by the transparent protective wall member (1) having a transparent plate (2) having a first plane side (3) and a first plane side (4), and an edge (5) between the first plane side (3) and the first plane side (4), wherein the first plane side (3) and the first plane side (4) being parallel, by the transparent protective wall member (1) having a frame (6) at least partly surrounding the transparent plate (2),
by the frame (6) having first connection means (7) for co-operation with second connection means (8) of an apparatus for laser assisted optical emission spectroscopy of fluids for releasable attaching and aligning the transparent protective wall member (1) between a fluid sample flow (9) that flows through a flow cell (10) of the apparatus for laser assisted optical emission spectroscopy of fluids and a laser device (11) of the apparatus for laser assisted optical emission spectroscopy of fluids so that an interspace is formed between the transparent protective wall member (1) and the fluid sample flow (9) that flows through the flow cell (10) and so that a laser beam (12) produced by the laser device (11) penetrates the transparent plate (2) of the transparent protective wall member (1),
by the first connection means (7) of the frame (6) having an first planar end alignment surface (13) for aligning the transparent protective wall member (1) to a second planar alignment surface (14) of the apparatus for laser assisted optical emission spectroscopy of fluids,
by the transparent plate (2) being arranged in the frame (6) so that the first plane side (3) and the first plane side (4) of the transparent protective wall member (1) being inclined with respect to the first planar end alignment surface (13) by a tilt angle A between 1 and 10°, preferably between 2 and 7°, such as about 3°,
by the frame (6) being in the shape of solid of revolution,
by the frame (6) having an outer circumferential surface (17), an inner circumferential surface (18), a first end surface (19) between the outer circumferential surface (17) and the inner circumferential surface (18), and an opposite second end surface (20) between the outer circumferential surface (17) and the inner circumferential surface (18),
by a first aligning member (21) for co-operation with a second aligning member (22) of the apparatus for laser assisted optical emission spectroscopy of fluids,
by the first aligning member (21) being arranged at the outer circumferential surface (17) of the frame (6), and
by a first O-ring (24) arranged in a first circumferential groove (25) in the outer circumferential surface (17) of the frame (6).
2. The transparent protective wall member (1) according to claim 1, characterized
by the first connection means (7) of the frame (6) having an outer circumferential alignment surface (15) for aligning the transparent protective wall member (1) to an inner circumferential alignment surface (16) of the apparatus for laser assisted optical emission spectroscopy of fluids.
3. The transparent protective wall member (1) according to claim 1 or 2, characterized by the largest inner diameter of the inner circumferential surface (18) of the frame (6) being between 50 and 60 mm, preferably about 55 mm, and
by the smallest outer diameter of the outer circumferential surface (17) of the frame (6) being between 70 and 80 mm, preferably about 75 mm.
4. The transparent protective wall member (1) according to any of the claims 1 to 3, characterized
by the first aligning member (21) comprising a steel pin, preferably a stainless steel pin, arranged in a blind hole (23) in the outer circumferential surface (17) of the frame (6).
5. The transparent protective wall member (1) according to any of the claims 1 to 4, characterized
by the edge (5) of the transparent plate (2) having a cylindrical form,
by the edge (5) of the transparent plate (2) having a form and dimensions corresponding to the form and the dimensions of a section of the inner circumferential surface (18) of the frame (6), and
by the transparent plate (2) being locked with respect to the frame (6) in said section of the inner circumferential surface (18) of the frame (6) between a second O-ring (26) arranged in a second circumferential groove (27) in the inner circumferential surface (18) of the frame (6) and clip (28) such as a C-clip arranged in a third circumferential groove (29) in the inner circumferential surface (18) of the frame (6).
6. The transparent protective wall member (1) according claim 5, characterized
by the transparent plate (2) having a diameter between 50 and 60 mm, such as about 55 mm.
7. The transparent protective wall member (1) according to any of the claims 1 to 6, characterized by a first magnet (30) at the outer circumferential surface (17) of the frame (6) for co-operation with a second magnet of the apparatus for laser assisted optical emission spectroscopy of fluids and configured to indicate correct attaching and alignment of the transparent protective wall member (1) with respect to the apparatus for laser assisted optical emission spectroscopy of fluids.
8. The transparent protective wall member (1) according to any of the claims 1 to 7, characterized by the inner circumferential surface (18) of the frame (6) being provided with at least one bore (31) configured to facilitate attaching of the transparent protective wall member (1) to the apparatus for laser assisted optical emission spectroscopy of fluids and configured to facilitate detaching of the transparent protective wall member (1) to the apparatus for laser assisted optical emission spectroscopy of fluids 9. The transparent protective wall member (1) according to any of the claims 1 to 8, characterized
by the transparent plate (2) of the protective wall member (1) have a transmission of at least 80 % for wavelengths between 190 and 1100 nm, preferably of at least 85 % for wavelengths between 190 and 1100 nm, more preferably of at least 90 % for wavelengths between 190 and 1100 nm.
10. The transparent protective wall member (1) according to any of the claims 1 to 9, characterized
by the transparent plate (2) of the transparent protective wall member (1) comprise at least one of the following: CaF2, fused silica, sapphire, MgF2, and crystal quartz.
11. The transparent protective wall member (1) according to any of the claims 1 to 10, characterized
by the distance between the first plane side (3) of the transparent plate (2) and the first plane side (4) of the transparent plate (2) being between 2 and 8 mm, preferably between 3 and 7 mm, more preferably between 4 and 6 mm, such as about 5 mm.
PCT/FI2016/050507 2015-07-10 2016-07-08 Transparent protective wall member for use in a method or in an apparatus for laser assisted optical emission spectroscopy of fluids WO2017009531A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BR112018000573-8A BR112018000573B1 (en) 2015-07-10 2016-07-08 TRANSPARENT PROTECTIVE WALL ELEMENT FOR USE IN A METHOD OR APPARATUS FOR LASER-ASSISTED OPTICAL EMISSION SPECTROSCOPY
AU2016294459A AU2016294459A1 (en) 2015-07-10 2016-07-08 Transparent protective wall member for use in a method or in an apparatus for laser assisted optical emission spectroscopy of fluids
RU2018103057U RU186036U1 (en) 2015-07-10 2016-07-08 TRANSPARENT PROTECTIVE WALL ELEMENT FOR USE IN METHOD OR IN DEVICE FOR OPTICAL EMISSION SPECTROSCOPY OF FLUIDS WITH LASER EXCITATION
TR2018/00243U TR201800243U5 (en) 2015-07-10 2016-07-08 TRANSPARENT PROTECTION WALL COMPONENT FOR USING IN A DEVICE OR A METHOD FOR LASER SUPPORTED FLUID OPTICAL EMISSION SPECTROSCOPY
CN201690001079.2U CN208060393U (en) 2015-07-10 2016-07-08 Protectiveness transparent wall member
FIU20184020U FI12043U1 (en) 2015-07-10 2018-02-05 TRANSPARENT PROTECTIVE WALL ELEMENT FOR USE IN A DEVICE OR IN A LASER ASSISTED SPECTOSCOPY OF FLUIDS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20155547 2015-07-10
FI20155547A FI20155547A (en) 2015-07-10 2015-07-10 TRANSPARENT PROTECTIVE WALL AGENT FOR USE IN A PROCEDURE OR IN A DEVICE FOR LASER ASSISTED OPTICAL EMISSION SPECTROSCOPY OF FLUIDS

Publications (1)

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WO2017009531A1 true WO2017009531A1 (en) 2017-01-19

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PCT/FI2016/050507 WO2017009531A1 (en) 2015-07-10 2016-07-08 Transparent protective wall member for use in a method or in an apparatus for laser assisted optical emission spectroscopy of fluids

Country Status (9)

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CN (1) CN208060393U (en)
AU (2) AU2016294459A1 (en)
BR (1) BR112018000573B1 (en)
CL (1) CL2018000071U1 (en)
FI (2) FI20155547A (en)
PE (1) PE20180813Z (en)
RU (1) RU186036U1 (en)
TR (1) TR201800243U5 (en)
WO (1) WO2017009531A1 (en)

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