CA2239857A1 - Device for measuring the concentration of airborne fibers - Google Patents
Device for measuring the concentration of airborne fibers Download PDFInfo
- Publication number
- CA2239857A1 CA2239857A1 CA002239857A CA2239857A CA2239857A1 CA 2239857 A1 CA2239857 A1 CA 2239857A1 CA 002239857 A CA002239857 A CA 002239857A CA 2239857 A CA2239857 A CA 2239857A CA 2239857 A1 CA2239857 A1 CA 2239857A1
- Authority
- CA
- Canada
- Prior art keywords
- respirable
- fibers
- light
- fiber
- concentration
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 156
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000002245 particle Substances 0.000 claims description 21
- 239000013618 particulate matter Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 3
- 230000005465 channeling Effects 0.000 claims 3
- 230000023077 detection of light stimulus Effects 0.000 claims 3
- 239000003570 air Substances 0.000 description 19
- 239000010425 asbestos Substances 0.000 description 7
- 229910052895 riebeckite Inorganic materials 0.000 description 7
- 239000003365 glass fiber Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- GWUSZQUVEVMBPI-UHFFFAOYSA-N nimetazepam Chemical compound N=1CC(=O)N(C)C2=CC=C([N+]([O-])=O)C=C2C=1C1=CC=CC=C1 GWUSZQUVEVMBPI-UHFFFAOYSA-N 0.000 description 1
- 230000005298 paramagnetic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
- G01N2015/0049—Investigating dispersion of solids in gas, e.g. smoke of filaments in gas
Landscapes
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Treatment Of Fiber Materials (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/743,554 US6005662A (en) | 1996-11-04 | 1996-11-04 | Apparatus and method for the measurement and separation of airborne fibers |
| US08/743,555 | 1996-11-04 | ||
| US08/743,555 US6512583B1 (en) | 1996-11-04 | 1996-11-04 | Apparatus and method for the dimensional measurement of airborne fibers |
| US08/743,554 | 1996-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2239857A1 true CA2239857A1 (en) | 1998-05-14 |
Family
ID=27114167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002239857A Abandoned CA2239857A1 (en) | 1996-11-04 | 1997-11-03 | Device for measuring the concentration of airborne fibers |
Country Status (12)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4787645B2 (ja) * | 2006-03-28 | 2011-10-05 | 倉敷紡績株式会社 | 繊維状粒子測定方法及び装置 |
| JP4952261B2 (ja) * | 2007-01-12 | 2012-06-13 | 株式会社大林組 | 濃度測定装置、濃度測定システム、及び濃度測定方法 |
| KR102157179B1 (ko) * | 2019-01-25 | 2020-09-18 | 주식회사 이노서플 | 대기 미세 먼지 측정 시스템 |
| DE102020001876A1 (de) * | 2020-03-23 | 2021-09-23 | Palas Gmbh Partikel- Und Lasermesstechnik | Verfahren und Aerosol-Messgerät zum Bestimmen der Partikelgeschwindigkeit eines Aerosols |
| FR3119236B1 (fr) * | 2021-01-22 | 2023-12-22 | Brgm | Système de détection sur site de particules d’amiante dans des matériaux de construction |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1316752A (en) * | 1970-02-12 | 1973-05-16 | Atomic Energy Authority Uk | Apparatus for analysing suspended particles |
| US3740148A (en) * | 1970-12-08 | 1973-06-19 | Research Corp | Portable dust analyzer |
| US4249244A (en) * | 1978-05-03 | 1981-02-03 | Ppm, Inc. | Electro-optical system and method and apparatus for providing automatically-compensating, traceable calibration and zeroing for light scattering devices |
| US4940327A (en) * | 1988-10-25 | 1990-07-10 | Trc Companies Inc. | Method and apparatus for real time asbestos aerosol monitoring |
-
1997
- 1997-03-11 TR TR1998/01215T patent/TR199801215T1/xx unknown
- 1997-11-03 CA CA002239857A patent/CA2239857A1/en not_active Abandoned
- 1997-11-03 CZ CZ981880A patent/CZ188098A3/cs unknown
- 1997-11-03 KR KR1019980704548A patent/KR19990072187A/ko not_active Ceased
- 1997-11-03 AU AU51658/98A patent/AU736174B2/en not_active Ceased
- 1997-11-03 JP JP10521689A patent/JP2000503405A/ja active Pending
- 1997-11-03 BR BR9706914-0A patent/BR9706914A/pt unknown
- 1997-11-03 WO PCT/US1997/020047 patent/WO1998020320A1/en not_active Application Discontinuation
- 1997-11-03 EP EP97946502A patent/EP0882223A1/en not_active Withdrawn
- 1997-11-03 PL PL97327503A patent/PL327503A1/xx unknown
- 1997-11-03 HU HU0001651A patent/HUP0001651A3/hu unknown
-
1998
- 1998-07-02 NO NO983075A patent/NO983075L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000503405A (ja) | 2000-03-21 |
| HUP0001651A3 (en) | 2003-01-28 |
| AU736174B2 (en) | 2001-07-26 |
| EP0882223A4 (enrdf_load_stackoverflow) | 1999-01-07 |
| NO983075D0 (no) | 1998-07-02 |
| BR9706914A (pt) | 2000-01-04 |
| AU5165898A (en) | 1998-05-29 |
| TR199801215T1 (xx) | 1999-02-22 |
| HUP0001651A2 (hu) | 2000-09-28 |
| CZ188098A3 (cs) | 1998-11-11 |
| NO983075L (no) | 1998-08-28 |
| WO1998020320A1 (en) | 1998-05-14 |
| PL327503A1 (en) | 1998-12-21 |
| KR19990072187A (ko) | 1999-09-27 |
| EP0882223A1 (en) | 1998-12-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |