CN202869953U - Test medicine box for testing total hardness of industrial water - Google Patents
Test medicine box for testing total hardness of industrial water Download PDFInfo
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- CN202869953U CN202869953U CN 201220435573 CN201220435573U CN202869953U CN 202869953 U CN202869953 U CN 202869953U CN 201220435573 CN201220435573 CN 201220435573 CN 201220435573 U CN201220435573 U CN 201220435573U CN 202869953 U CN202869953 U CN 202869953U
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- total hardness
- test kits
- process water
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Abstract
The utility model provides a test medicine box for testing total hardness of industrial water. The test medicine box is internally and fixedly provided with a conical flask, a disposable plastic injector, a plastic measuring cylinder, a small plastic flask with a cap, and five plastic centrifugal tubes with buckling caps, wherein the small plastic flask with the cap is used for filling a 0.02mol/L EDTA (Ethylene Diamine Tetraacetic Acid) solution; the first plastic centrifugal tube with the buckling cap is used for filling 3mL of triethanolamine solution, the second plastic centrifugal tube is used for filling 3mL of ammonia buffer with pH of 10.0, the third plastic centrifugal tube is used for filling 1ml of Na2S solution, the fourth plastic centrifugal tube is used for filling 2ml of Mg<2+>-EDTA solution, and the fifth plastic centrifugal tube is used for containing 60mg of eriochrome black T dry-powered indicator. The test medicine box for testing the total hardness of the industrial water is convenient to carry, simple to operate and low in price and can be used for quickly testing the total hardness of the industrial water at any time.
Description
Technical field
The utility model relates to the test chemical analysis field, is specifically related to a kind of test kits that the process water total hardness is used of measuring.
Background technology
The total hardness of water refers to the concentration of calcium in the water, magnesium ion.Hardness is very large on the process water impact, and a lot of industries have technical requirement to the total hardness of water.Textile industry causes dyeing inhomogeneous with the excessive meeting of the water hardness, the excessive easy formation incrustation scale of boiler feed water hardness, cause the boiler inner tube inequality of being heated, pipe deforming or damage, also may set off an explosion when serious, therefore process water need to often carry out Hardness Determination, and the water that hardness is higher need to be through using after softening the processing.Traditional water hardness analytical test need to be set up special chemical laboratory, buys various medicines and instrument, also needs the laboratory personnel of professional training, and the expense of input is larger.So many medium and small enterprises and miniature boiler applying unit, because production level is low, limited fund, the practitioner is ignorant of chemical analysis knowledge, can't set up the chemical laboratory of standard.Be to detect and use quality, guarantee the safety that product quality and boiler use, need to develop a kind of easy, easy operating, be suitable for the assay method of the process water total hardness of on-line analysis.
The utility model content
The purpose of this utility model, provide a kind of cost low, easy and simple to handle, carry and measure easily the test kits that the process water total hardness is used.
The technical scheme that adopts is:
A kind ofly measure the test kits that the process water total hardness is used, fixedly is equiped with in the test kits: a conical flask, a disposable plastic injector, a plastic cylinder, a little plastic bottle with cover and five plastic centrifuge tubes with buckle closure;
In the above-mentioned little plastic bottle with cover the EDTA solution that concentration is 0.02mol/L is housed;
5 above-mentioned plastic centrifuge tubes with buckle closure, the first centrifuge tube is equipped with triethanolamine solution 3mL, and the second centrifuge tube is equipped with the ammonia buffer 3mL of pH=10.0, and the 3rd centrifuge tube is equipped with Na
2S solution 1ml, the 4th centrifuge tube is equipped with Mg
2+-EDTA solution 2ml, the 5th centrifuge tube are equipped with chromium black T indicator dry powder 60mg;
Above-mentioned test kits is a Hard paper box or plastic casing, and volume is 20cm * 12cm * 8cm;
Above-mentioned conical flask volume is 150mL;
An above-mentioned disposable plastic injector volume is 10mL;
An above-mentioned plastic cylinder is 50mL;
An above-mentioned little plastic bottle volume with cover is 50mL;
5 above-mentioned plastic centrifuge tubes with buckle closure, volume is 3mL.
The process water determination of hardness:
(1) reagent adding operation
Accurately measure 50mL process water to be measured with 50mL plastic cylinder standby in the box, inject standby conical flask in the box, get again ammonia buffer 3mL, the Na of standby triethanolamine solution 3mL, pH=10
2S solution 1mL, Mg
2+-EDTA solution 2mL, chromium black T indicator dry powder 60mg add in the conical flask successively, shake up, and be stand-by;
(2) titration operation
Get the syringe that volume standby in the box is 10mL, accurately draw standby concentration and be the EDTA solution of 0.02mol/L to scale, left hand is held syringe, the right hand is held conical flask and is rocked, and carefully drips, if the EDTA consumption surpasses 10mL, can again draw, first quick and back slow, be terminal point until solution becomes blueness by redness during dropping, stop to drip.Titration process was finished in 5 minutes, and temperature is not less than 15 ℃;
(3) reading is tabled look-up
After stopping to drip, drip a reagent residue milliliter number in the observation syringe, deducting a residue milliliter number with the 10mL that begins is consumption liquid product, and that repeatedly draws adds up, with known process water total hardness zoom table contrast, namely check in the numerical value of process water total hardness.
EDTA solution consumption liquid is long-pending to contrast zoom table with process water total hardness (mmol/L)
| Consumption volume mL | Total hardness mmol/L | Consumption volume mL | Total hardness mmol/L | Consumption volume mL | Total hardness mmol/L | Consumption volume mL | Total hardness mmol/L |
| 0.20 | 0.08 | 2.50 | 1.00 | 5.00 | 2.00 | 8.50 | 3.40 |
| 0.40 | 0.16 | 2.75 | 1.10 | 5.35 | 2.14 | 9.00 | 3.60 |
| 0.60 | 0.24 | 3.00 | 1.20 | 5.70 | 2.28 | 9.50 | 3.80 |
| 0.80 | 0.32 | 3.25 | 1.30 | 6.00 | 2.40 | 10.00 | 4.00 |
| 1.00 | 0.40 | 3.50 | 1.40 | 6.35 | 2.54 | 10.50 | 4.20 |
| 1.25 | 0.50 | 3.75 | 1.50 | 6.70 | 2.68 | 11.00 | 4.40 |
| 1.50 | 0.60 | 4.00 | 1.60 | 7.00 | 2.80 | 11.50 | 4.60 |
| 1.75 | 0.70 | 4.25 | 1.70 | 7.35 | 2.94 | 12.00 | 4.80 |
| 2.00 | 0.80 | 4.50 | 1.80 | 7.70 | 3.08 | 14.00 | 5.60 |
| 2.25 | 0.90 | 4.75 | 1.90 | 8.00 | 3.20 | 16.00 | 6.40 |
The utility model is to utilize reagent necessary in the product and given operation steps, the zoom table of the process water total hardness that contrast is subsidiary, and on-line determination goes out the numerical value of process water total hardness.
The utility model has the advantage of:
1, the utility model carries conveniently, simple to operate, can draw quickly the total hardness of process water by tabling look-up, and higher practical value is arranged.
2, the applicable crowd's scope of the utility model is wide, does not need the personnel of professional training, and the workman of workshop just can operate and monitor.Adopt the utility model to carry out on-line determination to the total hardness of process water at any time, in order to grasp the situation of change of water quality, guarantee product quality and production safety.
3, raw materials used being easy to of the utility model bought, and be with low cost, is fit to produce in enormous quantities, testing cost that can decrease process water total hardness.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of a kind of embodiment of the present utility model.
Embodiment
A kind ofly measure the test kits that the process water total hardness is used, test kits 1 is interior fixedly to be equiped with: plastic centrifuge tube 9 and the 5th plastic centrifuge tube 10 with buckle closure of conical flask 2, disposable plastic injector 3, plastic cylinder 4, little plastic bottle 5 with cover, the first plastic centrifuge tube 6 with buckle closure, the second plastic centrifuge tube 7 with buckle closure, the 3rd plastic centrifuge tube 8 with buckle closure, four-tape buckle closure;
The EDTA solution that concentration is 0.02mol/L is housed in the above-mentioned little plastic bottle 5 with cover;
The first above-mentioned plastic centrifuge tube 6 with buckle closure is equipped with triethanolamine solution 3mL, and the second plastic centrifuge tube 7 with buckle closure is equipped with the ammonia buffer 3mL of pH=10.0, and the 3rd plastic centrifuge tube 8 with buckle closure is equipped with Na
2S solution 1ml, the plastic centrifuge tube 9 of four-tape buckle closure is equipped with Mg
2+-EDTA solution 2ml, the 5th plastic centrifuge tube 10 with buckle closure is equipped with chromium black T indicator dry powder 60mg;
Above-mentioned test kits 1 is a Hard paper box or plastic casing, and volume is 20cm * 12cm * 8cm;
Above-mentioned conical flask 2 volumes are 150mL;
Above-mentioned disposable plastic injector 3 volumes are 10mL;
Above-mentioned plastic cylinder 4 is 50mL;
Above-mentioned little plastic bottle 5 volumes with cover are 50mL;
5 above-mentioned plastic centrifuge tubes with buckle closure, volume is 3mL.
Claims (7)
1. measure the test kits that the process water total hardness is used for one kind, it is characterized in that, fixedly be equiped with in the test kits (1): a conical flask, a disposable plastic injector, a plastic cylinder, a little plastic bottle with cover and five plastic centrifuge tubes with buckle closure;
In the above-mentioned little plastic bottle with cover the EDTA solution that concentration is 0.02mol/L is housed;
5 above-mentioned plastic centrifuge tubes with buckle closure, the first centrifuge tube is equipped with triethanolamine solution 3mL, and the second centrifuge tube is equipped with the ammonia buffer 3mL of pH=10.0, and the 3rd centrifuge tube is equipped with Na
2S solution 1ml, the 4th centrifuge tube is equipped with Mg
2+-EDTA solution 2ml, the 5th centrifuge tube are equipped with chromium black T indicator dry powder 60mg.
2. a kind of test kits that the process water total hardness is used of measuring according to claim 1, it is characterized in that: described test kits is a Hard paper box or plastic casing, and volume is 20cm * 12cm * 8cm.
3. a kind of test kits that the process water total hardness is used of measuring according to claim 1, it is characterized in that: described conical flask volume is 150mL.
4. a kind of test kits that the process water total hardness is used of measuring according to claim 1, it is characterized in that: described disposable plastic injector volume is 10mL.
5. a kind of test kits that the process water total hardness is used of measuring according to claim 1, it is characterized in that: a described plastic cylinder volume is 50mL.
6. a kind of test kits that the process water total hardness is used of measuring according to claim 1, it is characterized in that: a described little plastic bottle volume with cover is 50mL.
7. a kind of test kits that the process water total hardness is used of measuring according to claim 1, it is characterized in that: described 5 plastic centrifuge tubes with buckle closure, volume is 3mL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220435573 CN202869953U (en) | 2012-08-30 | 2012-08-30 | Test medicine box for testing total hardness of industrial water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220435573 CN202869953U (en) | 2012-08-30 | 2012-08-30 | Test medicine box for testing total hardness of industrial water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202869953U true CN202869953U (en) | 2013-04-10 |
Family
ID=48036662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220435573 Expired - Fee Related CN202869953U (en) | 2012-08-30 | 2012-08-30 | Test medicine box for testing total hardness of industrial water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202869953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345121A (en) * | 2014-09-13 | 2015-02-11 | 上海绿帝环保科技有限公司 | Detection powder for measuring total hardness of water |
-
2012
- 2012-08-30 CN CN 201220435573 patent/CN202869953U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345121A (en) * | 2014-09-13 | 2015-02-11 | 上海绿帝环保科技有限公司 | Detection powder for measuring total hardness of water |
| CN104345121B (en) * | 2014-09-13 | 2016-03-30 | 上海绿帝环保科技有限公司 | A kind of preparation method and using method thereof measuring the detection powder of determining total hardness of water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20140830 |
|
| EXPY | Termination of patent right or utility model |