CN2831102Y - Silver colorimetric estimation tube - Google Patents
Silver colorimetric estimation tube Download PDFInfo
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- CN2831102Y CN2831102Y CN 200520032577 CN200520032577U CN2831102Y CN 2831102 Y CN2831102 Y CN 2831102Y CN 200520032577 CN200520032577 CN 200520032577 CN 200520032577 U CN200520032577 U CN 200520032577U CN 2831102 Y CN2831102 Y CN 2831102Y
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- glass tube
- determination
- silver
- liquid
- tube
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Abstract
The utility model relates to a determination device for microchemistry substances in water quality, particularly a colorimetric determination tube for the silver in the water quality. The determination tube comprises an equal cross-section vacuum sealing glass tube, one end of the glass tube is provided with a seal communicated capillary tube segment and the glass tube is filled with silver determination liquid. The ratio of the height H1 of the determination liquid in the glass tube and the equal cross-section airborne height H2 of the glass tube is from 1/3 to 1/12. The product forming and the commercialization of the determination technology are realized by the utility model, and the determination liquid which is prepared in advance is sealed in the vacuum glass tube and is packaged for use. When the utility model is used, the capillary tube segment of the colorimetric tube is broken in a water sample to be measured, the water sample is automatically and quantitatively sucked into the glass tube, the discoloration reaction between the water sample and the determination liquid occurs and relatively precise silver content can be obtained by the contrast of the color of the water sample and the standard color levels. The determination device has the advantages of long retention period, and simple, fast and correct determination, and also has the advantage that the determination steps can be simplified, the determination time can be saved and the work efficiency can be enhanced.
Description
One. technical field: the utility model relates to a kind of silver and measures utensil, particularly relates to a kind of silver-colored colorimetric cylinder.
Two. background technology: silver is not the trace element of needed by human.Silver or silver salt are ingested behind the human body, can make these positions produce nonvolatil, fearful pewter look and become in people's skin, eyes and mucous membrane calmness.Because silver and its esters have very strong bactericidal properties, its trace also is enough to stop bacterial growth, and toxicity than mercury a little less than, so be counted as a kind of sanitizer of water always.If swallow soluble silver salt in a large number, because the local convergence effect has stimulation, pain in the oral cavity, even symptoms such as vomiting, strong stomachache, hemorrhagic gastritis are arranged, finally cause acute death.Concentration range can make kidney, liver and the spleen generation pathology of mouse at the silver of 0.4～1mg/L.
The conventional test methodologies of silver is 3,5-Br
2-PADAP spectrophotometric method.
Operation steps:
1. sample pretreatment: get the water sample that argentiferous is no more than 150 μ g, place the 150ml beaker, add nitric acid 10ml, sulfuric acid 1ml, 30% hydrogen peroxide 1ml, heating evaporation is to emitting white cigarette on electric hot plate.The cooling back adds 2ml perchloric acid, adds a cover surface plate, continues to be heated to and emits white cigarette, and be evaporated near doing.The cooling back adds (1+1) nitric acid 2ml dissolved residue, adds then in the 50ml volumetric flask, adds the water constant volume, is equipped with and surveys.
2. sample determination: regulate instrument to best operating condition,, measure the absorbance of test solution to obtain the maximum sensitivity of tested element.
3. production standard curve develops the color, measurements and calculations.
3,5-Br
2The problem that-PADAP spectrophotometric method exists:
(1) disturbing factor is many, must clear up sample by pre-service, and interference component is removed.
(2) use pyridines reagent and the accurate contaminated aqueous solution of silver label serious.
(3) use apparatus measures, and use formula result of calculation, operator quality is required high.
Three. the utility model content:
The utility model purpose: make argentum determination solution and colorimetric cylinder thereof, simplify silver-colored testing procedure, shorten the test duration greatly, alleviate staff's labour intensity.
A kind of silver-colored colorimetric cylinder, contain uniform cross section vacuum seal glass tube, be provided with one section sealing at glass tube one end and be communicated with capillary tube segment, it is characterized in that: in uniform cross section vacuum seal glass tube, be packaged with the argentum determination solution of certain altitude, measure the height H of liquid in glass tube
1With the glass tube uniform cross section height H of leaving a blank
2Ratio be H
1: H
2=1: 3～12.
Described silver-colored colorimetric cylinder, the height H of mensuration liquid in glass tube
1With the glass tube uniform cross section height H of leaving a blank
2Ratio be H
1: H
2=1: 4～10.
Described silver-colored colorimetric cylinder includes 0.2% nitrogen compound, 1～20 unit volume, 0.05% triphenylmethane dye 1～20 unit volume, PH damping fluid 10～50 unit volumes, the argentum determination solution that mixed preparing forms; Measure when concentration of component improves in the liquid, its volume is corresponding to be reduced, when concentration of component reduces, and the then corresponding increase of its volume.
Described silver-colored colorimetric cylinder, component connection nitrogen compound is 4,5 ferrosins, phenanthroline in the mensuration liquid, and triphenylmethane dye is dibromo alizarin monosulfonate purple, Eosin Y, and the PH damping fluid is KH
2PO
4-NaOH, NaAc-HAc.
Positive beneficial effect of the present utility model:
1. the utility model is with the detection technique commercialization, and commercialization is loaded on the mensuration fluid-tight for preparing in the glass tube with vacuum, can directly use.Only need during operation to fracture in the water sample to be measured capillary tube segment of testing tube makes in the water sample automatic ration tail pipe to be measured and measures liquid generation metachromasia, with the contrast of standard color range, just can draw more accurate silver content behind the colour stable.Need not preparing standard solution, reagent when each test, can simplify the detection step greatly, save the test duration, reduce labor intensity.
2. it is reasonable that the utility model is measured formula of liquid, advanced technology, and stable performance is used simple.Can adopt standard sample liquid to react with it in advance, the fixing back of color forms permanent colour code standard, and encapsulation forms the contrast color range.The on-the-spot detection need not other any reagent, and testing result accurately and reliably.The standard colour code can adopt the color range pipe to make, and also can adopt other physical medium material such as computer color atlas, autochion printing paper, colour plastic plate or stained glass goods, uses very convenient.
3. with tradition 3,5-Br
2-PADAP spectrophotometric method is compared, and the utility model need not to use large-scale instrument, has reduced measuring process, has accelerated finding speed.
4. the utility model is measured liquid and determinand (silver) metachromasia, be to carry out automatically in the glass tube with vacuum under specific pH value condition, can effectively avoid accidental error and personal error, testing result accurately and reliably, detection limit meets health ministry silver germifuge working concentration scope, and testing result meets the requirement of water analysis error precision.
The utility model carry, easy to use, measure simply, quick and precisely, the holding time is long.The on-the-spot detection do not need other equipment and instruments, uses manpower and material resources sparingly greatly, reduces integrated cost.The utility model is easy to promotion and implementation, has good social and economic benefit.
The utility model is measured pipe and 3,5-Br
2-PADAP spectrophotometric method data comparison sheet:
Four. description of drawings: Fig. 1: silver-colored colorimetric cylinder structural representation
Five. embodiment:
Embodiment one; Referring to Fig. 1,1 is the uniform cross section glass tube with vacuum among the figure, and 2 is capillary tube segment, and 3 is argentum determination solution.H
1For measuring liquid height, H
2For the uniform cross section glass tube with vacuum is left a blank highly.Uniform cross section glass tube with vacuum internal diameter 7.0mm in this example, overall height is 12cm, measures the liquid height H in the glass tube
1Be 2.0cm, the height H of leaving a blank
2Be 8.0cm, capillary tube segment length is 2.0cm.
The mensuration formula of liquid is: contain 0.2%4,5-ferrosin 5L, the purple 15L of 0.05% dibromo alizarin monosulfonate, KH
2PO
4-NaOH solution 15L is hybridly prepared into the argentum determination solution of 35L, makes the mensuration pipe of some by demand can vacuum seal.
Make the series standard colour code that detects silver content, the method that forms color range: for example make 10 the color range pipes of standard colour code that detect low concentration silver content in the water quality, silver content is respectively 0.0mg/L, 0.1mg/L, 0.2mg/L, 0.4mg/L, 0.6mg/L, 0.8mg/L, 1.0mg/L, 1.5mg/L, 2.0mg/L, the standard colour code of 3.0mg/L.At first get and contain 0.2%4,5-ferrosin 5L, the purple 15L of 0.05% dibromo alizarin monosulfonate, KH
2PO
4-NaOH solution 15L is hybridly prepared into argentum determination solution, and making silver content then respectively is 0.0mg/L, 0.1mg/L, 0.2mg/L, 0.4mg/L, 0.6mg/L, 0.8mg/L, 1.0mg/L, 1.5mg/L, 2.0mg/L, 10 kinds of normal concentration silver aqueous solution of 3.0mg/L, to measure liquid and various normal concentration silver aqueous solution in 1: 10 ratio, pour into reaction solution in 10 charomatrons respectively, and constant color, seal charomatron then, form non-fading serial color range standard colors mark pipe.Should be noted in the discussion above that in measuring the colour code that 1: 10 ratio of liquid and normal concentration silver aqueous solution is made, only measuring and its height H of mensuration liquid of measuring the Guan Zhongtong proportioning
1With the uniform cross section glass tube with vacuum height H of leaving a blank
2Ratio be 1: 10 o'clock just meaningful.
Can make the high concentration silver content with quadrat method and be respectively 0.0mg/L, 1.0mg/L, 2.0mg/L, 3.0mg/L, 4.0mg/L, 5.0mg/L, 6.0mg/L, 8.0mg/L, 9 standard charomatron colour codes of 10.0mg/L specifically no longer describe in detail.Certainly measure the formula of liquid difference, the color range of corresponding standard colour code of making and formation is also different, only illustrates standard colors target compound method at this.
The capillary tube segment that to measure pipe during use immerses in the analyte sample fluid, kapillary fractures, be filled the uniform cross section glass tube with vacuum section of leaving a blank Deng analyte sample fluid, take out to be inverted repeatedly and mix, make it fully to carry out chromogenic reaction, with the contrast of standard colour code, the pairing silver concentration numerical value of the colour code that is near the mark most is the silver content that records behind about 1～5min colour stable; If measure the pipe color between two standard colour codes, then get its mean value.
Embodiment two: present embodiment and embodiment one are basic identical, and difference is: uniform cross section vacuum glass bore is 8mm, and overall height is 10.0cm, measures the liquid height H in the glass tube
1Be 1.5cm, the height H of leaving a blank
2Be 6.0cm, capillary tube segment length is 2.5cm.
The mensuration formula of liquid is: contain 0.2%4,5-ferrosin 18L, the purple 20L of 0.05% dibromo alizarin monosulfonate, KH
2PO
4-NaOH solution 48L is hybridly prepared into the argentum determination solution of 86L, makes the mensuration pipe of some by demand can vacuum seal.
Preparation of mensuration liquid and mensuration are managed the making method, the colour code method for making is identical with embodiment one, do not repeat.
Embodiment three: present embodiment and embodiment one are basic identical, and difference is: uniform cross section vacuum glass bore is 8mm, and overall height is 14.0cm, measures the liquid height H in the glass tube
1Be 2.0cm, the height H of leaving a blank
2Be 10.0cm, capillary tube segment length is 2.0cm.
The mensuration formula of liquid is: contain 0.2%4,5-ferrosin 10L, the purple 10L of 0.05% dibromo alizarin monosulfonate, KH
2PO
4-NaOH solution 30L is hybridly prepared into the argentum determination solution of 50L, makes the mensuration pipe of some by demand can vacuum seal.
Preparation of mensuration liquid and mensuration are managed the making method, the colour code method for making is identical with embodiment one, do not repeat.
Embodiment four: present embodiment and embodiment one are basic identical, and difference is: uniform cross section vacuum glass bore is 6.5mm, and overall height is 17.0cm, measures the liquid height H in the glass tube
1Be 2.0cm, the height H of leaving a blank
2Be 12.0cm, capillary tube segment length is 3.0cm.
The argentum determination solution prescription is: contain 0.2% phenanthroline 13L, and 0.05% Eosin Y 15L, NaAc-HAc solution 22L is hybridly prepared into the argentum determination solution of 50L, makes the mensuration pipe of some by demand can vacuum seal.
Preparation of mensuration liquid and mensuration are managed the making method, the colour code method for making is identical with embodiment one, do not repeat.
Embodiment five: present embodiment and embodiment one are basic identical, and difference is: uniform cross section vacuum glass bore is 6.5mm, and overall height is 16.0cm, measures the liquid height H in the glass tube
1Be 2.0cm, the height H of leaving a blank
2Be 12.0cm, capillary tube segment length is 2.0cm.
The argentum determination solution prescription is: contain 0.2% phenanthroline 18L, and 0.05% Eosin Y 5L, NaAc-HAc solution 47L is hybridly prepared into the argentum determination solution of 70L, makes the mensuration pipe of some by demand can vacuum seal.
Preparation of mensuration liquid and mensuration are managed the making method, the colour code method for making is identical with embodiment one, do not repeat.
Embodiment six: present embodiment and embodiment one are basic identical, and difference is: uniform cross section vacuum glass bore is 6.0mm, and overall height is 16.0cm, measures the liquid height H in the glass tube
1Be 2.0cm, the height H of leaving a blank
2Be 12.0cm, capillary tube segment length is 2.0cm.
The argentum determination solution prescription is: contain 0.2% phenanthroline 18L, and 0.05% Eosin Y 10L, NaAc-HAc solution 12L is hybridly prepared into the argentum determination solution of 40L, makes the mensuration pipe of some by demand can vacuum seal.
Preparation of mensuration liquid and mensuration are managed the making method, the colour code method for making is identical with embodiment one, do not repeat.
Claims (4)
1. silver-colored colorimetric cylinder, contain uniform cross section vacuum seal glass tube, be provided with one section sealing at glass tube one end and be communicated with capillary tube segment, it is characterized in that: in uniform cross section vacuum seal glass tube, be packaged with the argentum determination solution of certain altitude, measure the height H of liquid in glass tube
1With the glass tube uniform cross section height H of leaving a blank
2Ratio be H
1: H
2=1: 3～12.
2. silver-colored colorimetric cylinder according to claim 1 is characterized in that: the height H of measuring liquid in glass tube
1With the glass tube uniform cross section height H of leaving a blank
2Ratio be H
1: H
2=1: 4～10.
3. silver-colored colorimetric cylinder according to claim 1, it is characterized in that: argentum determination solution contains 0.2% nitrogen compound, 1～20 unit volume, 0.05% triphenylmethane dye 1～20 unit volume, PH damping fluid 10～50 unit volumes, mixed preparing forms, and measures when concentration of component improves in the liquid, and its volume is corresponding to be reduced, when concentration of component reduces, the then corresponding increase of its volume.
4. silver-colored colorimetric cylinder according to claim 1 is characterized in that: the connection nitrogen compound is 4,5 ferrosins, phenanthroline, and triphenylmethane dye is dibromo alizarin monosulfonate purple, Eosin Y, and the PH damping fluid is KH
2PO
4-NaOH, NaAc-HAc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520032577 CN2831102Y (en) | 2005-11-09 | 2005-11-09 | Silver colorimetric estimation tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520032577 CN2831102Y (en) | 2005-11-09 | 2005-11-09 | Silver colorimetric estimation tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2831102Y true CN2831102Y (en) | 2006-10-25 |
Family
ID=37136030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520032577 Expired - Fee Related CN2831102Y (en) | 2005-11-09 | 2005-11-09 | Silver colorimetric estimation tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2831102Y (en) |
-
2005
- 2005-11-09 CN CN 200520032577 patent/CN2831102Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061025 Termination date: 20091209 |