CN117429741A - Liquid chromatograph for detecting illegally added pigment in food - Google Patents

Liquid chromatograph for detecting illegally added pigment in food Download PDF

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Publication number
CN117429741A
CN117429741A CN202311138290.1A CN202311138290A CN117429741A CN 117429741 A CN117429741 A CN 117429741A CN 202311138290 A CN202311138290 A CN 202311138290A CN 117429741 A CN117429741 A CN 117429741A
Authority
CN
China
Prior art keywords
liquid chromatograph
fixedly connected
mobile phase
arc
phase solvent
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.)
Pending
Application number
CN202311138290.1A
Other languages
Chinese (zh)
Inventor
孙洪帅
刘亚飞
陈浩东
崔艳芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weifang Harrens Hc Inspection Testing & Technology Co ltd
Original Assignee
Weifang Harrens Hc Inspection Testing & Technology Co ltd
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
Application filed by Weifang Harrens Hc Inspection Testing & Technology Co ltd filed Critical Weifang Harrens Hc Inspection Testing & Technology Co ltd
Priority to CN202311138290.1A priority Critical patent/CN117429741A/en
Publication of CN117429741A publication Critical patent/CN117429741A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • B65D25/10Devices to locate articles in containers
    • B65D25/107Grooves, ribs, or the like, situated on opposed walls and between which the articles are located
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • B65D25/10Devices to locate articles in containers
    • B65D25/103V-shaped elements, e.g. racks, protuberances projecting from a supporting surface, supporting the articles locally at its sides
    • B65D25/105V-shaped elements, e.g. racks, protuberances projecting from a supporting surface, supporting the articles locally at its sides and retaining it by snap-action, e.g. clips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/38Devices for discharging contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/38Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for delicate optical, measuring, calculating or control apparatus
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/88Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/88Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
    • G01N2030/8809Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample

Abstract

The invention discloses a liquid chromatograph for detecting illegally added pigments in food, and particularly relates to the technical field of liquid chromatographs. According to the invention, the arc-shaped clamping piece and the arc-shaped rubber cushion are arranged, after the mobile phase solvent bottle is placed in the storage groove, the mobile phase solvent bottle is clamped by the arc-shaped clamping piece, the position of the mobile phase solvent bottle is fixed, and the arc-shaped rubber cushion is more attached to the surface of the mobile phase solvent bottle, so that the storage stability of the mobile phase solvent bottle is improved, the possibility that the mobile phase solvent bottle falls down is avoided, and the detection result is prevented from being influenced.

Description

Liquid chromatograph for detecting illegally added pigment in food
Technical Field
The invention relates to the technical field of liquid chromatographs, in particular to a liquid chromatograph for detecting illegally added pigments in foods.
Background
The liquid chromatograph is a common detecting instrument for detecting chemical components in a sample, and in food, the illegally added pigment is a common illegal action, and the liquid chromatograph can be used for detecting whether the food contains the illegally added pigment or not, so that a food safety mechanism is helped to hit the illegal action.
Before detection, a worker usually places a sample solution to be detected in a mobile phase solvent bottle to contain the sample solution, then directly places the mobile phase solvent bottle in a corresponding storage groove at the top of the liquid chromatograph, and no clamping protection component is arranged, so that the storage stability is poor, and the person can knock over the mobile phase solvent bottle when walking back and forth, so that the detection result is influenced.
Disclosure of Invention
The invention aims to provide a liquid chromatograph for detecting illegally added pigments in food, which solves the following technical problems:
when mobile phase solvent bottle is directly placed at the corresponding storage tank in liquid chromatograph top, do not set up the centre gripping protection component, lead to storage stability relatively poor, and personnel's walking back and forth can knock over mobile phase solvent bottle, and then influence testing result.
The aim of the invention can be achieved by the following technical scheme:
the invention provides the following technical scheme: the liquid chromatograph for detecting the illegal addition of pigment in food comprises a liquid chromatograph body, wherein the liquid chromatograph body comprises a detector, the top of the detector is fixedly connected with a solvent tank, two storage tanks are arranged at the top of the solvent tank, mobile phase solvent bottles are placed in the two storage tanks, an auxiliary pipe winding unit is arranged between the two mobile phase solvent bottles, clamping and fixing units are arranged on two sides of the two mobile phase solvent bottles, and an adjusting and moving unit is arranged at one end, far away from the mobile phase solvent bottles, of the clamping and fixing units;
the clamping fixing unit comprises an arc clamping piece, an arc rubber cushion, a mounting hole and a connecting short rod, the clamping radian of the arc clamping piece is matched with the appearance of the mobile phase solvent bottle, and the arc rubber cushion is fixedly connected to the inner side of the arc clamping piece.
As a preferable mode of the liquid chromatograph for detecting an illegally added pigment in a food according to the present invention, there is provided a liquid chromatograph comprising: the mounting hole has been seted up to the middle-end of arc holder, the internal thread connection of mounting hole has the short rod of connection, arc holder is detachable connection with the short rod of connection.
As a preferable mode of the liquid chromatograph for detecting an illegally added pigment in a food according to the present invention, there is provided a liquid chromatograph comprising: the adjusting and moving unit comprises a rectangular vertical block fixedly connected with the top of the solvent tank, a fixed block is fixedly connected to the top of the rectangular vertical block, a movable cavity and a rotary groove are formed in the fixed block, and the movable cavity is located at the bottom of the rotary groove.
As a preferable mode of the liquid chromatograph for detecting an illegally added pigment in a food according to the present invention, there is provided a liquid chromatograph comprising: the movable cavity is internally and movably connected with a movable assembly, one end of the movable assembly is provided with a reset spring, one end of the reset spring is fixedly connected with the movable assembly, and the other end of the reset spring is fixedly connected with the inner wall of the fixed block.
As a preferable mode of the liquid chromatograph for detecting an illegally added pigment in a food according to the present invention, there is provided a liquid chromatograph comprising: the movable assembly comprises a movable column fixedly connected with the end part of the connecting short rod, a rectangular groove is formed in the top of the movable column, and an adjusting assembly is arranged at the top of the movable assembly.
As a preferable mode of the liquid chromatograph for detecting an illegally added pigment in a food according to the present invention, there is provided a liquid chromatograph comprising: the adjusting component comprises a rotating shaft rod which is rotationally connected with the inner wall of the fixed block, an adjusting rod is fixedly connected with the surface of the rotating shaft rod, and the end part of the adjusting rod is positioned in the rectangular groove.
As a preferable mode of the liquid chromatograph for detecting an illegally added pigment in a food according to the present invention, there is provided a liquid chromatograph comprising: one end of the rotating shaft rod, which is far away from the rotating groove, is fixedly connected with an adjusting knob, and the adjusting knob is positioned on the outer side of the fixed block.
As a preferable mode of the liquid chromatograph for detecting an illegally added pigment in a food according to the present invention, there is provided a liquid chromatograph comprising: the liquid chromatograph body still includes controller and anti-skidding base, one side of detector is provided with the controller, and the bottom fixedly connected with anti-skidding base of detector.
As a preferable mode of the liquid chromatograph for detecting an illegally added pigment in a food according to the present invention, there is provided a liquid chromatograph comprising: the mobile phase solvent bottle comprises a bottle body, wherein the top of the bottle body is fixedly connected with a bottle neck, the top of the bottle neck is provided with a bottle cap, and a through hole for a suction filtration pipe to penetrate is formed in the bottle cap.
As a preferable mode of the liquid chromatograph for detecting an illegally added pigment in a food according to the present invention, there is provided a liquid chromatograph comprising: the auxiliary pipe winding unit comprises two symmetrically arranged supporting rods, three transverse plates are vertically arranged between the two supporting rods and fixedly connected with the supporting rods, and a plurality of placing rods for winding and placing the suction filtration pipes are penetrated in the transverse plates.
In summary, the present invention includes at least one of the following beneficial effects:
according to the invention, after the mobile phase solvent bottle is placed in the storage groove, the mobile phase solvent bottle is clamped by the arc clamping piece and the arc rubber cushion is arranged, the position of the mobile phase solvent bottle is fixed, and the arc rubber cushion is more attached to the surface of the mobile phase solvent bottle, so that the storage stability of the mobile phase solvent bottle is improved, the possibility that the mobile phase solvent bottle knocks over is avoided, and the detection result is prevented from being influenced.
According to the invention, the mounting holes are detachably connected with the connecting short rods, so that different arc-shaped clamping pieces and arc-shaped rubber cushions can be conveniently replaced, the movable phase solvent bottles with different sizes can be clamped, and the application range of the clamping and fixing unit is improved.
According to the invention, the adjusting knob on the outer side of the fixed block is screwed and rotated by the adjusting moving unit, and the rotating shaft rod is driven to rotate by the adjusting knob so as to drive the adjusting rod to rotate and adjust, so that the adjusting rod is pressed against the rectangular groove, the moving column moves towards the reset spring, the clamping and fixing unit is further away from the mobile phase solvent bottle, the mobile phase solvent bottle is taken out conveniently, and the operation is simple and flexible.
According to the invention, the auxiliary pipe winding unit is arranged, the suction filtration pipe is required to penetrate into the through pipe hole before detection, ultrasonic degassing is carried out on the mobile phase in the mobile phase solvent bottle, in order to prevent the suction filtration pipe from bending to influence the detection efficiency, the suction filtration pipe can be wound on the placing rod, the suction filtration pipes are prevented from being wound together, and the detection efficiency of the liquid chromatograph is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the structure of the bottle for removing the mobile phase solvent according to the present invention;
FIG. 3 is a schematic diagram of a mobile phase solvent bottle according to the present invention;
FIG. 4 is a schematic view of the auxiliary winding unit of the present invention;
FIG. 5 is a schematic view of a clamping and fixing unit according to the present invention;
FIG. 6 is a schematic diagram of the structure of the adjusting mobile unit of the present invention;
fig. 7 is a schematic view of the structure of the moving assembly and the adjusting assembly of the present invention.
Reference numerals illustrate:
reference numerals in the drawings: 1. a liquid chromatograph body; 101. a detector; 102. a solvent tank; 103. a storage tank; 104. a controller; 105. an anti-slip base; 2. a mobile phase solvent bottle; 201. a bottle body; 202. a bottleneck; 203. a bottle cap; 204. a through hole; 3. an auxiliary pipe winding unit; 301. a support rod; 302. a cross plate; 303. placing a rod; 4. a clamping and fixing unit; 401. an arc-shaped clamping member; 402. arc rubber cushion; 403. a mounting hole; 404. connecting short rods; 5. adjusting the mobile unit; 501. rectangular vertical blocks; 502. a fixed block; 503. a movable cavity; 504. a rotary groove; 505. a moving assembly; 5051. a moving column; 5052. rectangular grooves; 506. an adjustment assembly; 5061. a rotating shaft; 5062. an adjusting rod; 5063. an adjustment knob; 507. and a return spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses a liquid chromatograph for detecting illegally added pigments in food.
The invention provides a liquid chromatograph for detecting illegally added pigments in food, which is shown in figures 1-7, and comprises a liquid chromatograph body 1, wherein the liquid chromatograph body 1 comprises a detector 101, a solvent tank 102 is fixedly connected to the top of the detector 101, two storage tanks 103 are arranged at the top of the solvent tank 102, mobile phase solvent bottles 2 are placed in the two storage tanks 103, an auxiliary pipe winding unit 3 is arranged between the two mobile phase solvent bottles 2, clamping and fixing units 4 are arranged on two sides of the two mobile phase solvent bottles 2, and an adjusting and moving unit 5 is arranged at one end, far away from the mobile phase solvent bottles 2, of the clamping and fixing units 4;
the clamping and fixing unit 4 comprises an arc-shaped clamping piece 401, an arc-shaped rubber cushion 402, a mounting hole 403 and a connecting short rod 404, the clamping radian of the arc-shaped clamping piece 401 is matched with the appearance of the mobile phase solvent bottle 2, and the inner side of the arc-shaped clamping piece 401 is fixedly connected with the arc-shaped rubber cushion 402.
Through setting up arc holder 401 and arc rubber cushion 402, put into storage tank 103 back with mobile phase solvent bottle 2, arc holder 401 carries out the centre gripping to mobile phase solvent bottle 2, fixes the position of mobile phase solvent bottle 2, and the surface of mobile phase solvent bottle 2 is laminated more to arc rubber cushion 201, has promoted the stability of depositing of mobile phase solvent bottle 2, avoids mobile phase solvent bottle 2 to knock over the possibility, avoids influencing the testing result.
As shown in fig. 5, a liquid chromatograph for detecting illegally added pigments in food is provided, a mounting hole 403 is formed in the middle end of an arc-shaped clamping member 401, a connecting short rod 404 is connected in the mounting hole 403 in a threaded manner, and the arc-shaped clamping member 401 is detachably connected with the connecting short rod 404.
The installation holes 403 and the connecting short rods 404 are detachably connected, so that the arc-shaped clamping pieces 401 and the arc-shaped rubber cushions 402 which are different in size are convenient to replace, the mobile phase solvent bottles 2 with different sizes are clamped, and the application range of the clamping and fixing unit 4 is improved.
As shown in fig. 6 and 7, the liquid chromatograph for detecting illegally added pigments in food comprises a regulating mobile unit 5, which comprises a rectangular vertical block 501 fixedly connected with the top of a solvent tank 102, wherein a fixed block 502 is fixedly connected with the top of the rectangular vertical block 501, a movable cavity 503 and a rotary groove 504 are arranged in the fixed block 502, and the movable cavity 503 is positioned at the bottom of the rotary groove 504;
a movable assembly 505 is movably connected in the movable cavity 503, one end of the movable assembly 505 is provided with a return spring 507, one end of the return spring 507 is fixedly connected with the movable assembly 505, and the other end of the return spring 507 is fixedly connected with the inner wall of the fixed block 502;
the moving assembly 505 comprises a moving post 5051 fixedly connected with the end part of the connecting short rod 404, a rectangular groove 5052 is formed in the top of the moving post 5051, and an adjusting assembly 506 is arranged on the top of the moving assembly 505;
the adjusting assembly 506 comprises a rotating shaft lever 5061 rotatably connected with the inner wall of the fixed block 502, an adjusting lever 5062 is fixedly connected with the surface of the rotating shaft lever 5061, and the end part of the adjusting lever 5062 is positioned in the rectangular groove 5052;
an adjusting knob 5063 is fixedly connected to one end of the rotating shaft 5061 away from the rotating groove 504, and the adjusting knob 5063 is located at the outer side of the fixed block 502.
Through setting up the regulation mobile unit 5, twist the adjust knob 5063 in the fixed block 501 outside, adjust knob 5063 drives rotatory axostylus axostyle 5061 and rotates to drive regulation pole 5062 rotation regulation, thereby make regulation pole 5062 and rectangular slot 5052 form to support the pressure, thereby make movable column 5051 to reset spring 507 department remove, and then make centre gripping fixed unit 4 keep away from mobile phase solvent bottle 2, be convenient for take out mobile phase solvent bottle 2, easy operation is nimble.
As shown in fig. 2, the liquid chromatograph body 1 further includes a controller 104 and an anti-slip base 105, the controller 104 is disposed on one side of the detector 101, and the anti-slip base 105 is fixedly connected to the bottom of the detector 101.
As shown in fig. 3, a liquid chromatograph for detecting illegally added pigments in food is provided, the mobile phase solvent bottle 2 comprises a bottle body 201, a bottle neck 202 is fixedly connected to the top of the bottle body 201, a bottle cap 203 is mounted on the top of the bottle neck 202, and a through pipe hole 204 for a suction filtration pipe to penetrate is formed in the bottle cap 203.
As shown in fig. 4, a liquid chromatograph for detecting illegally added pigments in food comprises an auxiliary pipe winding unit 3, which comprises two symmetrically arranged support rods 301, three transverse plates 302 are vertically arranged between the two support rods 301, the three transverse plates 302 are fixedly connected with the support rods 301, and a plurality of placing rods 303 for winding and placing suction filtration pipes are penetrated in the transverse plates 302.
Before detection, the suction filtration tube 204 needs to be penetrated into the suction filtration tube, ultrasonic degassing is carried out on the mobile phase in the mobile phase solvent bottle 2, in order to avoid the influence of bending of the suction filtration tube on the detection efficiency, the suction filtration tube can be wound on the placement rod 303, the plurality of suction filtration tubes are also prevented from being wound together, the other end of the suction filtration tube is connected with the detector 101, and finally the controller 104 is operated to carry out connection control on the detector 101.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (10)

1. The utility model provides a liquid chromatograph that illegal addition pigment detected in food, includes liquid chromatograph body (1), its characterized in that, liquid chromatograph body (1) includes detector (101), the top fixedly connected with solvent case (102) of detector (101), two storage tanks (103) have been seted up at the top of solvent case (102), two mobile phase solvent bottle (2) have been placed in storage tank (103), two be provided with supplementary around pipe unit (3) between mobile phase solvent bottle (2), two both sides of mobile phase solvent bottle (2) all are provided with centre gripping fixed unit (4), the one end that mobile phase solvent bottle (2) were kept away from to centre gripping fixed unit (4) is provided with regulation mobile unit (5);
the clamping and fixing unit (4) comprises an arc-shaped clamping piece (401), an arc-shaped rubber cushion (402), a mounting hole (403) and a connecting short rod (404), the clamping radian of the arc-shaped clamping piece (401) is matched with the appearance of the mobile phase solvent bottle (2), and the inner side of the arc-shaped clamping piece (401) is fixedly connected with the arc-shaped rubber cushion (402).
2. The liquid chromatograph for detecting illegal addition of pigment in food according to claim 1, wherein a mounting hole (403) is formed in the middle end of the arc-shaped clamping piece (401), a connecting short rod (404) is connected in the mounting hole (403) in a threaded manner, and the arc-shaped clamping piece (401) is detachably connected with the connecting short rod (404).
3. The liquid chromatograph for detecting illegal addition of pigments in foods according to claim 1, wherein the adjusting and moving unit (5) comprises a rectangular standing block (501) fixedly connected with the top of the solvent tank (102), a fixed block (502) is fixedly connected with the top of the rectangular standing block (501), a movable cavity (503) and a rotary groove (504) are arranged in the fixed block (502), and the movable cavity (503) is positioned at the bottom of the rotary groove (504).
4. The liquid chromatograph for detecting illegal addition of pigment in food according to claim 3, characterized in that a moving component (505) is movably connected in the moving cavity (503), one end of the moving component (505) is provided with a return spring (507), one end of the return spring (507) is fixedly connected with the moving component (505), and the other end of the return spring (507) is fixedly connected with the inner wall of the fixed block (502).
5. The liquid chromatograph for detecting illegal addition of pigments in foods according to claim 4, wherein the moving component (505) comprises a moving column (5051) fixedly connected with the end part of the connecting short rod (404), a rectangular groove (5052) is formed at the top of the moving column (5051), and an adjusting component (506) is arranged at the top of the moving component (505).
6. The liquid chromatograph for detecting illegal addition of pigments in foods according to claim 5, characterized in that the adjusting component (506) comprises a rotating shaft lever (5061) rotatably connected with the inner wall of the fixed block (502), the surface of the rotating shaft lever (5061) is fixedly connected with an adjusting lever (5062), and the end part of the adjusting lever (5062) is positioned in the rectangular groove (5052).
7. The liquid chromatograph for detecting illegal addition of pigments in foods according to claim 1, wherein an adjusting knob (5063) is fixedly connected to one end of the rotating shaft lever (5061) far away from the rotating groove (504), and the adjusting knob (5063) is positioned outside the fixed block (502).
8. The liquid chromatograph for detecting illegal addition of pigment in food according to claim 1, characterized in that the liquid chromatograph body (1) further comprises a controller (104) and an anti-slip base (105), wherein the controller (104) is arranged on one side of the detector (101), and the anti-slip base (105) is fixedly connected to the bottom of the detector (101).
9. The liquid chromatograph for detecting illegal addition of pigments in foods according to claim 1, wherein the mobile phase solvent bottle (2) comprises a bottle body (201), the top of the bottle body (201) is fixedly connected with a bottle neck (202), the top of the bottle neck (202) is provided with a bottle cap (203), and a through hole (204) for a suction filtration tube to penetrate is formed in the bottle cap (203).
10. The liquid chromatograph for detecting illegal addition of pigments in foods according to claim 1, wherein the auxiliary tube winding unit (3) comprises two symmetrically arranged supporting rods (301), three transverse plates (302) are vertically arranged between the two supporting rods (301), the three transverse plates (302) are fixedly connected with the supporting rods (301), and a plurality of placing rods (303) for winding and placing suction filter tubes are penetrated in the transverse plates (302).
CN202311138290.1A 2023-09-05 2023-09-05 Liquid chromatograph for detecting illegally added pigment in food Pending CN117429741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311138290.1A CN117429741A (en) 2023-09-05 2023-09-05 Liquid chromatograph for detecting illegally added pigment in food

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311138290.1A CN117429741A (en) 2023-09-05 2023-09-05 Liquid chromatograph for detecting illegally added pigment in food

Publications (1)

Publication Number Publication Date
CN117429741A true CN117429741A (en) 2024-01-23

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Application Number Title Priority Date Filing Date
CN202311138290.1A Pending CN117429741A (en) 2023-09-05 2023-09-05 Liquid chromatograph for detecting illegally added pigment in food

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117723690A (en) * 2024-02-01 2024-03-19 广州恒广复合材料有限公司 Polyquaternium-51 detection equipment and detection method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117723690A (en) * 2024-02-01 2024-03-19 广州恒广复合材料有限公司 Polyquaternium-51 detection equipment and detection method thereof
CN117723690B (en) * 2024-02-01 2024-04-19 广州恒广复合材料有限公司 Polyquaternium-51 detection equipment and detection method thereof

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