CN219957328U - Chemical analysis system for reducing sugar and water-soluble total sugar - Google Patents
Chemical analysis system for reducing sugar and water-soluble total sugar Download PDFInfo
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- CN219957328U CN219957328U CN202321466999.XU CN202321466999U CN219957328U CN 219957328 U CN219957328 U CN 219957328U CN 202321466999 U CN202321466999 U CN 202321466999U CN 219957328 U CN219957328 U CN 219957328U
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- 235000000346 sugar Nutrition 0.000 title claims abstract description 52
- 238000004458 analytical method Methods 0.000 title claims abstract description 28
- 239000000126 substance Substances 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 52
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims description 48
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000000502 dialysis Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 150000008163 sugars Chemical class 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 11
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 6
- ZMZGIVVRBMFZSG-UHFFFAOYSA-N 4-hydroxybenzohydrazide Chemical compound NNC(=O)C1=CC=C(O)C=C1 ZMZGIVVRBMFZSG-UHFFFAOYSA-N 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000009614 chemical analysis method Methods 0.000 abstract description 4
- 238000005206 flow analysis Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 238000004401 flow injection analysis Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- -1 azo compound Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001212 derivatisation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000001294 liquid chromatography-tandem mass spectrometry Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
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- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The utility model relates to a chemical analysis system for reducing sugar and water-soluble total sugar, which comprises a gas-liquid driving system, a chemical reaction system and an optical detection system; the gas-liquid driving system comprises an automatic sample injection device, a sampling needle, a peristaltic pump, a first pump pipe, a second pump pipe, a third pump pipe, a fourth pump pipe, a fifth pump pipe, a sixth pump pipe, a seventh pump pipe, an eighth pump pipe and a ninth pump pipe; the chemical reaction system comprises a first reaction flow path and a second reaction flow path; the automatic sample injection device is connected with the peristaltic pump through the sampling needle, and the peristaltic pump is connected with the first reaction flow path and the second reaction flow path. The utility model adopts continuous flow analysis technology, can realize batch detection, has high analysis speed, high accuracy, good repeatability, low detection limit and small consumption of reagents and samples, and can completely replace the reducing sugar and soluble total sugar analysis system of the traditional chemical analysis method.
Description
Technical Field
The utility model belongs to the technical field of determination of content of reducing sugar and water-soluble total sugar, and particularly relates to a chemical analysis system for reducing sugar and water-soluble total sugar.
Background
At present, the determination of the content of reducing sugar and water-soluble total sugar in substances such as food, plants and the like mostly depends on a manual method, but has the problems of complex operation process, low analysis speed, long working time, large consumption of samples and reagents, large harm to human bodies caused by frequent operation of the reagents and the like. LC-MS/MS and IC-PAD pretreatment is simple, sensitive and quick, but the method has expensive instrument and high use and maintenance cost; the GC-MS analysis of the water-soluble sugar requires derivatization, which is a relatively cumbersome process; the near infrared spectrum analysis method has the advantages of simple pretreatment, high analysis speed, low sensitivity, large amount of data and high technical requirements for early model establishment, and timely maintenance in the application process. (Zhang Fengxia) A method for rapid determination of total and reducing sugars in tobacco flavor [ J ]. Anhui agricultural science 2019,47 (20): 3.).
The flow injection method and the continuous flow method are both instrument analysis methods with high automation degree, the instruments adopting the flow injection technology in the prior art detect the reaction in an unbalanced state, and the reaction pipelines are thin and easy to block due to the limitation of the technical principle, so that the method is only used for measuring the reducing sugar and the water-soluble total sugar in clean matrixes, has narrow application range, has more complex instrument design, strict requirements on reaction conditions in the test, needs degassing treatment on reagents used in the test, and greatly increases the workload.
Disclosure of Invention
The utility model aims to provide a chemical analysis system for reducing sugar and water-soluble total sugar, which solves the problems of complex operation process, low analysis speed, long working time and large consumption of samples and reagents in the existing chemical analysis method, and overcomes the defects of easy blockage of an analysis mode pipeline, strict requirements on reaction conditions, and the need of filtering and degassing of the reagents in the flow injection technology.
The utility model provides a chemical analysis system for reducing sugar and water-soluble total sugar, which comprises a gas-liquid driving system, a chemical reaction system and an optical detection system;
the gas-liquid driving system comprises an automatic sample injection device, a sampling needle, a peristaltic pump, a first pump pipe, a second pump pipe, a third pump pipe, a fourth pump pipe, a fifth pump pipe, a sixth pump pipe, a seventh pump pipe, an eighth pump pipe and a ninth pump pipe;
the chemical reaction system comprises a first reaction flow path and a second reaction flow path;
the automatic sample injection device is connected with the peristaltic pump through the sampling needle, and the peristaltic pump is connected with the first reaction flow path and the second reaction flow path;
the first reaction flow path comprises a first three-way joint, a first bubble injection device, a first online mixing coil, a first online heating device, a second online mixing coil and an online dialysis device which are connected in sequence; one end of the second pump pipe and one end of the third pump pipe are connected with the first three-way joint, the other end of the second pump pipe is connected with an R1 reagent bottle containing aqueous solution through a pipeline, and the other end of the third pump pipe is connected with an R2 reagent bottle containing hydrochloric acid solution through a pipeline; one end of the first pump pipe and one end of the fourth pump pipe are connected with the first air bubble injection device, the other end of the fourth pump pipe is suspended in air, and the other end of the first pump pipe is sequentially connected with the sampling needle and the automatic sampling device through pipelines; the first pump pipe, the second pump pipe, the third pump pipe and the fourth pump pipe pass through the peristaltic pump;
the first reaction flow path comprises a second bubble injection device, a second tee joint, a third online mixing device, an online dialysis device, a second online heating device, a fourth online mixing coil, a third tee joint, a fifth online mixing coil and an online exhaust device which are connected in sequence; one end of the fifth pump pipe and one end of the sixth pump pipe are connected with the second bubble injection device, the other end of the fifth pump pipe is suspended in air, and the other end of the sixth pump pipe is connected with an R3 reagent bottle containing a parahydroxybenzoic acid hydrazide solution through a pipeline; one end of the seventh pump pipe is connected with the second three-way joint, and the other end of the seventh pump pipe is connected with an R4 reagent bottle containing sodium hydroxide solution through a pipeline; one end of the eighth pump pipe is connected with the third three-way joint, and the other end of the eighth pump pipe is connected with an R5 reagent bottle containing calcium chloride solution through a pipeline; the outlet at the upper end of the online exhaust device is connected with a waste liquid bottle; the fifth pump tube, the sixth pump tube, the seventh pump tube and the eighth pump tube pass through the peristaltic pump;
the optical detection system comprises a flow cell, a light source and a detector; the outlet of the lower end of the online exhaust device is connected with the inlet end of the flow cell, and the outlet end of the flow cell is connected with a waste liquid bottle through a ninth pump pipe; the two ends of the flow cell are respectively connected with the light source and the detector; the ninth pump tube passes through the peristaltic pump.
Further, the system also comprises a data processing system and a circuit control system; the data processing system is connected with the detector of the optical detection system and is used for processing the data of the detector; the circuit control system is connected with the gas-liquid driving system, the chemical reaction system, the optical detection system and the data processing system and is used for controlling the circuits of the gas-liquid driving system, the chemical reaction system, the optical detection system and the data processing system.
Further, the online dialysis device consists of an upper pressing block and a lower pressing block, wherein U-shaped grooves are formed in the upper pressing block and the lower pressing block, and a dialysis membrane is arranged between the upper pressing block and the lower pressing block to form a U-shaped flow path; the outlet end of the upper pressing block of the online dialysis device is connected with a waste liquid bottle through a pipeline.
Further, the inner diameters of the tubes of the first on-line mixing coil, the second on-line mixing coil, the third on-line mixing coil, the fourth on-line mixing coil and the fifth on-line mixing coil are 1.8-2.0 mm.
Further, the first on-line mixing coil, the second on-line mixing coil, the third on-line mixing coil, the fourth on-line mixing coil and the fifth on-line mixing coil are made of glass materials.
By adopting the scheme, the chemical analysis system for reducing sugar and water-soluble total sugar adopts a continuous flow analysis technology, can realize batch detection, has high analysis speed, high accuracy, good repeatability, low detection limit and small consumption of reagents and samples, and can completely replace the reducing sugar and soluble total sugar analysis system of the traditional chemical analysis method.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Drawings
FIG. 1 is a block diagram of a chemical analysis system for reducing sugars and soluble total sugars according to the present utility model;
FIG. 2 is a schematic structural diagram of a chemical analysis system for reducing sugars and soluble total sugars according to the present utility model.
Reference numerals in the drawings:
1-an automatic sample injection device; 2-sampling needle; 3-peristaltic pump; 401-a first pump tube; 402-a second pump tube; 403-third pump tube; 404-fourth pump tube; 405-fifth pump tube; 406-sixth pump tube; 407-seventh pump tube; 408-eighth pump tube; 409-ninth pump line; 5-a first three-way joint; 6-a first bubble injection device; 7-a first in-line mixing coil; 8-a first in-line heating device; 9-a second in-line hybrid; 10-an on-line dialysis device; 11-a second bubble injection means; 12-a second three-way joint; 13-a third in-line mixing loop; 14-a second in-line heating device; 15-fourth on-line mixing coil; 16-a third tee fitting; 17-fifth on-line mixing coil; 18-an on-line exhaust; 19-a flow cell; 20-a light source; a 21-detector; 22-R1 reagent bottle; 23-R2 reagent bottle; 24-R3 reagent bottle; 25-R4 reagent bottle; 26-R5 reagent bottle.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1 and 2, the embodiment provides a chemical analysis system for reducing sugar and water-soluble total sugar, which is characterized by comprising a gas-liquid driving system, a chemical reaction system, an optical detection system, a data processing system and a circuit control system;
the gas-liquid driving system comprises an automatic sample injection device 1, a sampling needle 2, a peristaltic pump 3, a first pump pipe 401, a second pump pipe 402, a third pump pipe 403, a fourth pump pipe 404, a fifth pump pipe 405, a sixth pump pipe 406, a seventh pump pipe 407, an eighth pump pipe 408 and a ninth pump pipe 409;
the chemical reaction system comprises a first reaction flow path and a second reaction flow path;
the automatic sample injection device 1 is connected with a peristaltic pump 3 through a sampling needle 2, and the peristaltic pump 3 is connected with a first reaction flow path and a second reaction flow path;
the first reaction flow path comprises a first three-way joint 5, a first bubble injection device 6, a first online mixing device 7, a first online heating device 8, a second online mixing device 9 and an online dialysis device 10 which are connected in sequence; one end of the second pump pipe 402 and one end of the third pump pipe 403 are connected with the first three-way joint 5, the other end of the second pump pipe 402 is connected with the R1 reagent bottle 22 containing aqueous solution through a pipeline, the other end of the third pump pipe 403 is connected with the R2 reagent bottle 23 containing hydrochloric acid solution through a pipeline, and reagent aqueous solution R1 and hydrochloric acid solution R2 are respectively introduced; one end of the first pump pipe 401 and one end of the fourth pump pipe 404 are connected with the first bubble injection device 6, the other end of the fourth pump pipe 404 is suspended in air G, and the other end of the first pump pipe 401 is sequentially connected with the sampling needle 2 and the automatic sampling device 1 through pipelines; the first pump tube 401, the second pump tube 402, the third pump tube 403, and the fourth pump tube 404 pass through the peristaltic pump 3;
the first reaction flow path comprises a second bubble injection device 11, a second three-way joint 12, a third online mixing coil 13, an online dialysis device 10, a second online heating device 14, a fourth online mixing coil 15, a third three-way joint 16, a fifth online mixing coil 17 and an online exhaust device 18 which are connected in sequence; one end of the fifth pump tube 405 and one end of the sixth pump tube 406 are connected with the second bubble injection device 11, the other end of the fifth pump tube 405 is suspended in air G, and the other end of the sixth pump tube 406 is connected with the R3 reagent bottle 24 containing the parahydroxybenzoic acid hydrazide solution through a pipeline; one end of a seventh pump tube 407 is connected with the second three-way joint 12, and the other end is connected with an R4 reagent bottle 25 containing sodium hydroxide solution through a pipeline, and sodium hydroxide solution R4 is introduced; one end of the eighth pump tube 408 is connected with the third three-way joint 16, and the other end is connected with the R5 reagent bottle 26 containing the calcium chloride solution through a pipeline, so as to introduce the calcium chloride solution R5; the outlet of the upper end of the online exhaust device 18 is connected with a waste liquid bottle; the fifth pump tube 405, the sixth pump tube 406, the seventh pump tube 407, and the eighth pump tube 408 pass through the peristaltic pump 3;
the optical detection system comprises a flow cell 19 (through which a sample to be detected passes), a light source 20, and a detector 21 (for receiving a signal generated by the sample to be detected after absorbing light); the outlet of the lower end of the online exhaust device 18 is connected with the inlet end of the flow cell 19, and the outlet end of the flow cell 19 is connected with a waste liquid bottle through a ninth pump pipe 409; the two ends of the flow cell 19 are respectively connected with a light source 20 and a detector 21; the ninth pump tube 409 passes through peristaltic pump 3.
The system also comprises a data processing system and a circuit control system; the data processing system is connected with the detector 21 of the optical detection system and is used for processing the data of the detector 21; the circuit control system is connected with the gas-liquid driving system, the chemical reaction system, the optical detection system and the data processing system and is used for controlling the circuits of the gas-liquid driving system, the chemical reaction system, the optical detection system and the data processing system.
W1, W2 and W3 are waste liquid, and finally flow into a waste liquid bottle. The R1 reagent bottle 22, the R2 reagent bottle 23, the R3 reagent bottle 24, the R4 reagent bottle 25 and the R5 reagent bottle 26 are respectively filled with an aqueous solution R1, a hydrochloric acid solution R2, a parahydroxybenzoic acid hydrazide solution R3, a sodium hydroxide solution R4 and a calcium chloride solution R5.
The system collects a sample S through a sampling needle 2 of an automatic sample injection device 1, and the sample S and reagents (R1-R5) enter a chemical reaction system through pump pipes (401-409) under the pushing of a peristaltic pump 3, continuously flow in a closed pipeline and generate a color reaction. Wherein: the fourth pump tube 404 and the fifth pump tube 405 of the peristaltic pump 3 respectively introduce air G, and the air enters the liquid tube to form bubbles, thereby forming reaction channels in which the sample S and the reagents (R1 to R5) are regularly separated by the air bubbles at a certain interval.
The water-soluble total sugar in the sample S is decomposed into reducing sugar under the heating condition by the hydrochloric acid solution R2 introduced by the third pump pipe 403 (heating is closed when the reducing sugar is detected), macromolecules, particle impurities and the like in the sample are discharged out of the reaction system after passing through the online dialysis device 10, the reducing sugar is heated by the reagent parahydroxybenzoic acid hydrazide solution R3 introduced by the sixth pump pipe 406 under the alkaline condition of the sodium hydroxide solution R4 introduced by the seventh pump pipe 407, and reacts with the reagent calcium chloride solution R5 introduced by the eighth pump pipe 408 to generate yellow azo compound, the colored compound is absorbed maximally at the wavelength of 410nm through the flow cell 19 under the action of the light source 20, the absorbance of the resultant is measured by adopting the detector 21, and the content of the reducing sugar or the water-soluble total sugar in the sample can be obtained after the data processing system processes the data.
In this embodiment, the on-line dialysis device 10 is composed of an upper press block and a lower press block, wherein the upper press block and the lower press block are respectively provided with a U-shaped groove, and a dialysis membrane is arranged between the upper press block and the lower press block to form a U-shaped flow path; the outlet end of the upper pressing block of the online dialysis device 10 is connected with a waste liquid bottle through a pipeline.
In the present embodiment, the inner diameters of the first, second, third, fourth and fifth coil mixers 7, 9, 13, 15, 17 are 1.8 to 2.0mm.
In the present embodiment, the first coil mixing device 7, the second coil mixing device 9, the third coil mixing device 13, the fourth coil mixing device 15, and the fifth coil mixing device 17 are made of glass.
The system adopts a continuous flow technology, is detected in a reaction balance state, namely, a state that physical mixing and chemical reaction are complete, and bubbles are injected into a chemical reaction system, so that the reaction is more complete, the maximum sensitivity can be achieved, the sample concentration also reaches the continuous maximum value, the sample residue can be effectively reduced, the test result cannot be influenced by small changes of the reaction environment, the test accuracy is high, the repeatability is good, the detection limit is low, and the application range is wider because the design of the inner diameter of a (coil mixing) tube is large (1.8-2.0 mm).
The chemical analysis system for reducing sugar and water-soluble total sugar can be used for detecting samples in batches, has the advantages of high analysis speed, high accuracy, good repeatability, low detection limit, low consumption of reagents and samples, and can completely replace the traditional chemical analysis method, and the chemical analysis system specifically comprises the following technical effects:
1. the system adopts the bubble injection technology, the existence of bubbles can lead the sample to completely react, the sample residue in the pipeline can be obviously reduced, and the mutual interference of different samples can be avoided;
2. the system adopts full steady state detection (namely complete reaction), and has high accuracy and high reliability;
3. the complete on-line processing work of the reducing sugar and the water-soluble total sugar sample has comprehensive functions, and covers the functions of on-line sample adding, mixing, dialysis, heating and the like;
4. the coil mixing device in the system is made of glass with large pipe diameter, has good trafficability and chemical inertness, the sectional area of a pipeline is 5-10 times of that of a pipeline applied by a flow injection technology, the pipeline is large in sectional area and not easy to block, and the device has good trafficability for complex samples and is easier to maintain in use;
5. the reaction system has the advantages of small and light volume of the adopted elements, compact structure of the whole reaction system, reasonable layout arrangement and convenience for daily maintenance and observation.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims (5)
1. A chemical analysis system for reducing sugar and water-soluble total sugar, which is characterized by comprising a gas-liquid driving system, a chemical reaction system and an optical detection system;
the gas-liquid driving system comprises an automatic sample injection device (1), a sampling needle (2), a peristaltic pump (3), a first pump pipe (401), a second pump pipe (402), a third pump pipe (403), a fourth pump pipe (404), a fifth pump pipe (405), a sixth pump pipe (406), a seventh pump pipe (407), an eighth pump pipe (408) and a ninth pump pipe (409);
the chemical reaction system comprises a first reaction flow path and a second reaction flow path;
the automatic sample injection device (1) is connected with the peristaltic pump (3) through the sampling needle (2), and the peristaltic pump (3) is connected with the first reaction flow path and the second reaction flow path;
the first reaction flow path comprises a first three-way joint (5), a first bubble injection device (6), a first online mixing coil (7), a first online heating device (8), a second online mixing coil (9) and an online dialysis device (10) which are connected in sequence; one end of a second pump pipe (402) and one end of a third pump pipe (403) are connected with the first three-way joint (5), the other end of the second pump pipe (402) is connected with an R1 reagent bottle (22) containing aqueous solution through a pipeline, and the other end of the third pump pipe (403) is connected with an R2 reagent bottle (23) containing hydrochloric acid solution through a pipeline; one end of the first pump pipe (401) and one end of the fourth pump pipe (404) are connected with the first bubble injection device (6), the other end of the fourth pump pipe (404) is suspended in the air, and the other end of the first pump pipe (401) is sequentially connected with the sampling needle (2) and the automatic sampling device (1) through pipelines; -the first pump tube (401), the second pump tube (402), the third pump tube (403), the fourth pump tube (404) pass through the peristaltic pump (3);
the first reaction flow path comprises a second bubble injection device (11), a second three-way joint (12), a third online mixing coil (13), an online dialysis device (10), a second online heating device (14), a fourth online mixing coil (15), a third three-way joint (16), a fifth online mixing coil (17) and an online exhaust device (18) which are connected in sequence; one end of the fifth pump pipe (405) and one end of the sixth pump pipe (406) are connected with the second bubble injection device (11), the other end of the fifth pump pipe (405) is suspended in the air, and the other end of the sixth pump pipe (406) is connected with an R3 reagent bottle (24) containing a parahydroxybenzoic acid hydrazide solution through a pipeline; one end of the seventh pump pipe (407) is connected with the second three-way joint (12), and the other end of the seventh pump pipe is connected with an R4 reagent bottle (25) containing sodium hydroxide solution through a pipeline; one end of the eighth pump pipe (408) is connected with the third three-way joint (16), and the other end of the eighth pump pipe is connected with an R5 reagent bottle (26) containing calcium chloride solution through a pipeline; the outlet at the upper end of the online exhaust device (18) is connected with a waste liquid bottle; the fifth pump tube (405), the sixth pump tube (406), the seventh pump tube (407), the eighth pump tube (408) pass through the peristaltic pump (3);
the optical detection system comprises a flow cell (19), a light source (20) and a detector (21); the outlet of the lower end of the online exhaust device (18) is connected with the inlet end of the flow cell (19), and the outlet end of the flow cell (19) is connected with a waste liquid bottle through a ninth pump pipe (409); the two ends of the flow cell (19) are respectively connected with the light source (20) and the detector (21); the ninth pump tube (409) passes through the peristaltic pump (3).
2. The chemical analysis system for reducing sugars and water-soluble total sugars of claim 1, further comprising a data processing system and a circuit control system; the data processing system is connected with a detector (21) of the optical detection system and is used for processing data of the detector (21); the circuit control system is connected with the gas-liquid driving system, the chemical reaction system, the optical detection system and the data processing system and is used for controlling the circuits of the gas-liquid driving system, the chemical reaction system, the optical detection system and the data processing system.
3. The chemical analysis system for reducing sugar and water-soluble total sugar according to claim 1, wherein the on-line dialysis device (10) is composed of an upper press block and a lower press block, wherein the upper press block and the lower press block are respectively provided with a U-shaped groove, and a dialysis membrane is arranged between the upper press block and the lower press block to form a U-shaped flow path; the outlet end of the upper pressing block of the online dialysis device (10) is connected with a waste liquid bottle through a pipeline.
4. The chemical analysis system for reducing sugars and water-soluble total sugars of claim 1, wherein the tube inside diameter of said first in-line mixing coil (7), second in-line mixing coil (9), third in-line mixing coil (13), fourth in-line mixing coil (15), fifth in-line mixing coil (17) is 1.8-2.0 mm.
5. The chemical analysis system for reducing sugars and water-soluble total sugars of claim 4, wherein said first on-line mixing coil (7), second on-line mixing coil (9), third on-line mixing coil (13), fourth on-line mixing coil (15), fifth on-line mixing coil (17) are glass materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321466999.XU CN219957328U (en) | 2023-06-09 | 2023-06-09 | Chemical analysis system for reducing sugar and water-soluble total sugar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321466999.XU CN219957328U (en) | 2023-06-09 | 2023-06-09 | Chemical analysis system for reducing sugar and water-soluble total sugar |
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| Publication Number | Publication Date |
|---|---|
| CN219957328U true CN219957328U (en) | 2023-11-03 |
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| CN202321466999.XU Active CN219957328U (en) | 2023-06-09 | 2023-06-09 | Chemical analysis system for reducing sugar and water-soluble total sugar |
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- 2023-06-09 CN CN202321466999.XU patent/CN219957328U/en active Active
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