CN107519964B - But test tube is cleared up to glass of control temperature variation - Google Patents
But test tube is cleared up to glass of control temperature variation Download PDFInfo
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- CN107519964B CN107519964B CN201710977194.4A CN201710977194A CN107519964B CN 107519964 B CN107519964 B CN 107519964B CN 201710977194 A CN201710977194 A CN 201710977194A CN 107519964 B CN107519964 B CN 107519964B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/22—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L27/24—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment halogenated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/02—Identification, exchange or storage of information
- B01L2300/021—Identification, e.g. bar codes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/12—Specific details about materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
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- Pathology (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention relates to a glass digestion test tube capable of monitoring temperature change. The test tube comprises a glass test tube, a test tube cover, an irreversible thermochromic material elastic metal slide glass and a reversible thermochromic material elastic metal slide glass, wherein the test tube cover is connected with the glass test tube through threads. The irreversible thermochromic material elastic metal slide is arranged above the reversible thermochromic material elastic metal slide and horizontally arranged above the inner part of the glass test tube, the reversible thermochromic material is arranged on the reversible thermochromic material elastic metal slide, and the irreversible thermochromic material is arranged on the irreversible thermochromic material elastic metal slide.
Description
Technical Field
The invention relates to a preparation method of a glass digestion test tube, in particular to a preparation method of a glass digestion test tube capable of monitoring temperature change.
Background
Generally, the environmental water sample contains complex components, and most of the pollution components have low content and different forms, so the environmental water sample is often required to be treated before analysis and determination. The purpose of digestion treatment is to destroy organic matter, dissolve suspended solids, oxidize various valences of the element to be measured to mono-higher valences or to convert it to an inorganic compound which is easily separable.
When the chemical oxygen consumption is measured, a water sample needs to be digested at 165 ℃ or 150 ℃, and the reaction temperature is reduced to below 50 ℃ after digestion is finished, so that colorimetric inspection can be carried out.
CN105675382A discloses a clear up colour comparison tube and clear up colorimetric system, wherein clear up the colour comparison tube and include: the first tube body, and the second tube body and the third tube body which are positioned at two ends of the first tube body. The inner diameters of the second pipe body and the third pipe body are smaller than the inner diameter of the first pipe body. A plurality of fixing columns are arranged on the first pipe body. A plurality of fixed columns are arranged on two opposite sides of the first pipe body along the extending direction of the first pipe body in an alternating mode. The second tube body is provided with a plurality of first positioning lugs and second positioning lugs. The first positioning lugs are arranged on one side of the second pipe body at intervals along the extending direction of the second pipe body. The second positioning convex blocks are arranged on the other side of the second pipe body opposite to the first positioning convex blocks at intervals.
The present invention relates to a digestion apparatus, comprising: a first processing device; it includes: a pre-processing unit comprising: the device comprises two axial supporting pieces, a transverse bracket, a first transverse sliding block, a second transverse sliding block, a first driver, two longitudinal brackets and a second driver; the two longitudinal brackets are arranged on two sides of the central controller; the two axial supporting pieces are arranged on the longitudinal support; two ends of the transverse bracket are fixed on the two axial supporting pieces; a closed sliding groove is formed in the transverse support, and the first transverse sliding block is arranged in the sliding groove in the transverse support in a sliding manner; a first magnet block is fixed on the first transverse sliding block; the second transverse sliding block is movably arranged outside the transverse bracket; and a second magnet block is fixed on the second transverse sliding block.
When the chemical oxygen consumption is measured, a water sample needs to be digested at 165 ℃ or 150 ℃, and the reaction temperature is reduced to below 50 ℃ after digestion is finished, so that colorimetric inspection can be carried out. Most of the existing digestion tubes or digestion devices need additional instruments for measuring the temperature, and the instruments are taken as the standard.
Disclosure of Invention
The purpose of the invention is: the utility model provides a but test tube is cleared up to glass of control temperature change which characterized in that:
the utility model provides a test tube is cleared up to glass that can monitor temperature variation, includes the glass test tube, and the test tube lid passes through threaded connection with the glass test tube, still includes irreversible thermochromic material elastic metal slide glass, reversible thermochromic material elastic metal slide glass. The irreversible thermochromic material elastic metal slide is arranged above the reversible thermochromic material elastic metal slide and horizontally arranged above the inner part of the glass test tube, the reversible thermochromic material is arranged on the reversible thermochromic material elastic metal slide, and the irreversible thermochromic material is arranged on the irreversible thermochromic material elastic metal slide.
The reversible color-changing material comprises the following components: the adhesive comprises, by weight, 100 parts of chlorinated polyvinyl chloride, 2-4 parts of reversible temperature-sensitive color-changing powder, 0.5-2 parts of 2, 8-di-tert-butyl-4-methylphenol, 0.01-0.1 part of tris (1,2,2,8, 6-pentamethylpiperidinol) phosphite, 1-4 parts of glutathione sepharose, 0.2-1 part of optical resin adhesive and 10-20 parts of silicon micropowder.
The irreversible color-changing material comprises the following components: the adhesive comprises, by weight, 100 parts of chlorinated polyvinyl chloride, 1-3 parts of irreversible temperature-sensitive color-changing powder, 0.5-2 parts of 2, 8-di-tert-butyl-4-methylphenol, 0.01-0.1 part of tris (1,2,2,8, 6-pentamethylpiperidinol) phosphite, 2-4 parts of benzamidine sepharose gel, 0.2-1 part of optical resin adhesive and 5-10 parts of silica micropowder.
The reversible color-changing material and the irreversible color-changing material are prepared by heating the mixture to be molten under the sealing condition, stirring at the rotating speed of 150-.
The reversible temperature-sensitive color-changing powder is of a heat color-eliminating type.
The irreversible temperature-sensitive color-changing powder is of a thermal color-changing type.
The chlorinated polyvinyl chloride, the reversible temperature-sensitive discoloring powder, the 2, 8-di-tert-butyl-4-methylphenol, the tris (1,2,2,8, 6-pentamethylpiperidinol) phosphite, the glutathione sepharose, the silica micropowder, the irreversible temperature-sensitive discoloring powder and the benzamidine sepharose are commercially available products.
The product of the invention has the following beneficial effects:
the digestion tube product produced by the invention can be controlled to be cooled to the qualified temperature or not through the color of the reversible color-changing material, and the highest temperature is controlled through the color of the irreversible color-changing material, so that an additional instrument is omitted. The color-changing material has strong heat conduction performance, is sensitive to temperature change, is not easy to oxidize and mix colors, is convenient to observe, and can well monitor and clear up the process to meet the standard.
Detailed Description
The following examples are merely intended to illustrate the invention further and are not intended to limit the scope of the invention.
Example 1
The utility model provides a test tube is cleared up to glass that can monitor temperature variation, includes the glass test tube, and the test tube lid passes through threaded connection with the glass test tube, still includes irreversible thermochromic material elastic metal slide glass, reversible thermochromic material elastic metal slide glass. The irreversible thermochromic material elastic metal slide is arranged above the reversible thermochromic material elastic metal slide and horizontally arranged above the inner part of the glass test tube, the reversible thermochromic material is arranged on the reversible thermochromic material elastic metal slide, and the irreversible thermochromic material is arranged on the irreversible thermochromic material elastic metal slide.
The reversible color-changing material comprises the following components: 100g of chlorinated polyvinyl chloride, 3g of reversible temperature-sensitive color-changing powder, 1g of 2, 8-di-tert-butyl-4-methylphenol, 0.06g of tris (1,2,2,8, 6-pentamethylpiperidinol) phosphite, 2.5g of glutathione sepharose, 0.6g of optical resin adhesive and 15g of silica micropowder.
The irreversible color-changing material comprises the following components: 100g of chlorinated polyvinyl chloride, 2g of irreversible temperature-sensitive color-changing powder, 1g of 2, 8-di-tert-butyl-4-methylphenol, 0.06g of tris (1,2,2,8, 6-pentamethylpiperidinol) phosphite, 3g of benzamidine sepharose gel, 0.6g of optical resin adhesive and 7.5g of silica micropowder.
The reversible color-changing material and the irreversible color-changing material are prepared by heating the mixture to be molten under a sealed condition, stirring at the rotating speed of 225rpm for 1h, and performing extrusion molding to obtain the color-changing material capable of being fixed on the digestion tube metal slide.
Example 2
The utility model provides a test tube is cleared up to glass that can monitor temperature variation, includes the glass test tube, and the test tube lid passes through threaded connection with the glass test tube, still includes irreversible thermochromic material elastic metal slide glass, reversible thermochromic material elastic metal slide glass. The irreversible thermochromic material elastic metal slide is arranged above the reversible thermochromic material elastic metal slide and horizontally arranged above the inner part of the glass test tube, the reversible thermochromic material is arranged on the reversible thermochromic material elastic metal slide, and the irreversible thermochromic material is arranged on the irreversible thermochromic material elastic metal slide.
The reversible color-changing material comprises the following components: 100g of chlorinated polyvinyl chloride, 2g of reversible temperature-sensitive color-changing powder, 0.5g of 2, 8-di-tert-butyl-4-methylphenol, 0.01g of tris (1,2,2,8, 6-pentamethylpiperidinol) phosphite, 1g of glutathione sepharose, 0.2g of optical resin adhesive and 10g of silica micropowder.
The irreversible color-changing material comprises the following components: 100g of chlorinated polyvinyl chloride, 1g of irreversible temperature-sensitive color-changing powder, 0.5g of 2, 8-di-tert-butyl-4-methylphenol, 0.01g of tris (1,2,2,8, 6-pentamethylpiperidinol) phosphite, 2g of benzamidine sepharose gel, 0.2g of optical resin adhesive and 5g of silicon micropowder.
The reversible color-changing material and the irreversible color-changing material are prepared by heating the mixture to be molten under a sealed condition, stirring at a rotating speed of 150rpm for 0.5h, and performing extrusion molding to obtain the color-changing material capable of being fixed on the digestion tube metal slide.
Example 3
The utility model provides a test tube is cleared up to glass that can monitor temperature variation, includes the glass test tube, and the test tube lid passes through threaded connection with the glass test tube, still includes irreversible thermochromic material elastic metal slide glass, reversible thermochromic material elastic metal slide glass. The irreversible thermochromic material elastic metal slide is arranged above the reversible thermochromic material elastic metal slide and horizontally arranged above the inner part of the glass test tube, the reversible thermochromic material is arranged on the reversible thermochromic material elastic metal slide, and the irreversible thermochromic material is arranged on the irreversible thermochromic material elastic metal slide.
The reversible color-changing material comprises the following components: 100g of chlorinated polyvinyl chloride, 4g of reversible temperature-sensitive color-changing powder, 1.5g of 2, 8-di-tert-butyl-4-methylphenol, 0.1g of tris (1,2,2,8, 6-pentamethylpiperidinol) phosphite, 4g of glutathione sepharose, 1g of optical resin adhesive and 20g of silica micropowder.
The irreversible color-changing material comprises the following components: 100g of chlorinated polyvinyl chloride, 3g of irreversible temperature-sensitive color-changing powder, 2g of 2, 8-di-tert-butyl-4-methylphenol, 0.1g of tris (1,2,2,8, 6-pentamethylpiperidinol) phosphite, 4g of benzamidine sepharose gel, 1g of optical resin adhesive and 10g of silica micropowder.
The reversible color-changing material and the irreversible color-changing material are prepared by heating the mixture to be molten under a sealed condition, stirring at a rotating speed of 300rpm for 1.5h, and performing extrusion molding to obtain the color-changing material capable of being fixed on the digestion tube metal slide.
Comparative example 1
The same procedure as in example 1 was repeated except that tris (1,2,2,8, 6-pentamethylpiperidinol) phosphite was not added.
Comparative example 2
No fine silica powder was added, and the other conditions were the same as in example 1.
Comparative example 3
The same conditions as in example 1 were used except that no optical resin adhesive was added.
Comparative example 4
The same procedure as in example 1 was repeated except that 2, 8-di-tert-butyl-4-methylphenol was not added.
Comparative example 5
No benzamidine sepharose or glutathione sepharose was added, and the other conditions were the same as in example 1.
Example 4
Digestion was carried out using the products produced in examples 1 to 3 and comparative examples 1 to 3, respectively, and the discoloration temperature was compared with the temperature indicated by a thermometer, and the error between the discoloration temperature and the set temperature (50 ℃ C. and 150 ℃ C., respectively) was examined
| Product numbering | Reversible color-changing material temperature error (+/-) C | Irreversible color material temperature error (+/-) |
| Example 1 | 1.4 | 1.4 |
| Example 2 | 1.5 | 1.5 |
| Example 3 | 1.3 | 1.4 |
| Comparative example 1 | 3.4 | 3.3 |
| Comparative example 2 | 3.9 | 3.7 |
| Comparative example 3 | 3.3 | 3.1 |
| Comparative example 4 | 4.2 | 4.9 |
| Comparative example 5 | 3.1 | 4.8 |
Claims (5)
1. The utility model provides a but temperature variation's glass is cleared up test tube which characterized in that: the test tube comprises a glass test tube, a test tube cover, an irreversible thermochromic material elastic metal slide and a reversible thermochromic material elastic metal slide, wherein the test tube cover is connected with the glass test tube through threads; the irreversible thermochromic material elastic metal slide is arranged above the reversible thermochromic material elastic metal slide, the reversible thermochromic material elastic metal slide is horizontally arranged above the inside of the glass test tube, the reversible thermochromic material is arranged on the reversible thermochromic material elastic metal slide, and the irreversible thermochromic material is arranged on the irreversible thermochromic material elastic metal slide;
the reversible color-changing material comprises the following components: the adhesive comprises, by weight, 100 parts of chlorinated polyvinyl chloride, 2-4 parts of reversible temperature-sensitive color-changing powder, 0.5-2 parts of 2, 8-di-tert-butyl-4-methylphenol, 0.01-0.1 part of tris (1,2,2,6, 6-pentamethylpiperidinol) phosphite, 1-4 parts of glutathione sepharose, 0.2-1 part of optical resin adhesive and 10-20 parts of silicon micropowder.
2. A glass digestion cuvette capable of monitoring temperature changes according to claim 1, wherein: the irreversible color-changing material comprises the following components: the adhesive comprises, by weight, 100 parts of chlorinated polyvinyl chloride, 1-3 parts of irreversible temperature-sensitive color-changing powder, 0.5-2 parts of 2, 8-di-tert-butyl-4-methylphenol, 0.2-1 part of tris (1,2,2,6, 6-pentamethylpiperidinol) phosphite, 2-4 parts of benzamidine sepharose gel, 0.2-1 part of optical resin adhesive and 5-10 parts of silica micropowder.
3. A glass digestion cuvette capable of monitoring temperature changes according to claim 2, wherein: the reversible color-changing material and the irreversible color-changing material are prepared by heating the mixture to be molten under the sealing condition, stirring at the rotating speed of 150-.
4. A glass digestion cuvette capable of monitoring temperature changes according to claim 1, wherein: the reversible temperature-sensitive color-changing powder is of a heat color-eliminating type.
5. A glass digestion cuvette capable of monitoring temperature changes according to claim 2, wherein: the irreversible temperature-sensitive color-changing powder is of a thermal color-changing type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710977194.4A CN107519964B (en) | 2017-10-19 | 2017-10-19 | But test tube is cleared up to glass of control temperature variation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710977194.4A CN107519964B (en) | 2017-10-19 | 2017-10-19 | But test tube is cleared up to glass of control temperature variation |
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| Publication Number | Publication Date |
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| CN107519964A CN107519964A (en) | 2017-12-29 |
| CN107519964B true CN107519964B (en) | 2020-07-03 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203908858U (en) * | 2014-06-04 | 2014-10-29 | 周焓 | High-efficiency environment-friendly sample decomposition tube as well as special plug and cover thereof |
| CN203899627U (en) * | 2014-06-11 | 2014-10-29 | 夏六爱 | Thermochromic test tube |
| KR20150055752A (en) * | 2013-11-14 | 2015-05-22 | 이수정 | Test tubes, test tube clamp, tube cap |
| CN204855971U (en) * | 2015-06-02 | 2015-12-09 | 浙江海洋学院 | Photochromism prevents blue light resin lenses |
| CN105295322A (en) * | 2015-10-28 | 2016-02-03 | 合肥学院 | Thermosensitive off-color material for FDM and preparation method of thermosensitive off-color material |
| CN105820532A (en) * | 2016-04-18 | 2016-08-03 | 昆山初本电子科技有限公司 | Thermochromic LED lamp light guide plate formula |
| CN106280413A (en) * | 2016-06-20 | 2017-01-04 | 徐州腾飞工程塑料有限公司 | A kind of doctor's blueness high temperature resistant and color-changing strengthens PA6 material and preparation method thereof |
-
2017
- 2017-10-19 CN CN201710977194.4A patent/CN107519964B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150055752A (en) * | 2013-11-14 | 2015-05-22 | 이수정 | Test tubes, test tube clamp, tube cap |
| CN203908858U (en) * | 2014-06-04 | 2014-10-29 | 周焓 | High-efficiency environment-friendly sample decomposition tube as well as special plug and cover thereof |
| CN203899627U (en) * | 2014-06-11 | 2014-10-29 | 夏六爱 | Thermochromic test tube |
| CN204855971U (en) * | 2015-06-02 | 2015-12-09 | 浙江海洋学院 | Photochromism prevents blue light resin lenses |
| CN105295322A (en) * | 2015-10-28 | 2016-02-03 | 合肥学院 | Thermosensitive off-color material for FDM and preparation method of thermosensitive off-color material |
| CN105820532A (en) * | 2016-04-18 | 2016-08-03 | 昆山初本电子科技有限公司 | Thermochromic LED lamp light guide plate formula |
| CN106280413A (en) * | 2016-06-20 | 2017-01-04 | 徐州腾飞工程塑料有限公司 | A kind of doctor's blueness high temperature resistant and color-changing strengthens PA6 material and preparation method thereof |
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| Publication number | Publication date |
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| CN107519964A (en) | 2017-12-29 |
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