CN101639448A - Rapid measurement reagent for manganese concentration in water and use method thereof - Google Patents
Rapid measurement reagent for manganese concentration in water and use method thereof Download PDFInfo
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- CN101639448A CN101639448A CN200910192030A CN200910192030A CN101639448A CN 101639448 A CN101639448 A CN 101639448A CN 200910192030 A CN200910192030 A CN 200910192030A CN 200910192030 A CN200910192030 A CN 200910192030A CN 101639448 A CN101639448 A CN 101639448A
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Abstract
The invention relates to a rapid measurement reagent for manganese concentration in water and a use method thereof. The rapid measurement reagent for the manganese concentration in water comprises a reagent A and a reagent B in a mass ratio of 1:1, wherein (1) the reagent A comprises the following components in percentage by weight: 5.0-15.0 anhydrous potassium pyrophosphate, 10.0-30.0 disodium hydrogen phosphate, 0.5-5.0 citric acid and 60-80 anhydrous sodium sulphate; (2) the reagent B comprises the following components in percentage by weight: 5-25 potassium periodate and 75-95 potassium chloride. The use method of the rapid measurement reagent comprises the following steps: adding the reagent A to a water sample to be measured, adding the reagent B after the reagent A is dissolved; standing for 10 minutes; and comparing colors with a standard colorimetric card, a colorimetric disc or a colorimetric meter, and reading the manganese concentration. The invention has the advantages ofsimple and convenient operation, accurate results, low price, convenient transportation and carrying, on-site measurement suitability, and the like.
Description
[technical field]
The present invention relates to a kind of using method of measuring reagent and this reagent of manganese concentration in the water.
[background technology]
The compound of manganese has variform, mainly contains divalence, trivalent, tetravalence, sexavalence and septivalency.Manganese is one of biological essential trace element.Owing to anoxic, manganese exists with the bivalent manganese form of soluble state in the underground water, and also has the suspension of manganic complex compound of solubility and tetravalence manganese to exist in surface water.The content of manganese, seldom has above 1mg/L's to hundreds of micrograms per litre in the number micrograms per litre in environmental water sample.Manganese salt toxicity is little, but can make clothing in the water, textile and paper stays ugly scar, so general industry water manganese content does not allow to surpass 0.1mg/L.The primary pollution source of manganese is the waste water of ferrous metal mine, metallurgy, chemical industry discharging.
The analytical approach of manganese mainly contains, atomic absorption method, potassium metaperiodate oxidizing process and formaldoxime method.Atomic absorption method is highly sensitive, can be directly used in the mensuration of manganese in the water; Potassium metaperiodate oxidizing process selectivity is better, often is used; The formaldoxime method is the standard method of ISO, and is highly sensitive.But atomic absorption needs instrument, and the major defect of formaldoxime method and potassium metaperiodate method is a complex operation step, and analytical cycle is long, and liquid reagent is short stabilization time.And these assay methods are only applicable to lab investigation, can not satisfy the requirement of on-the-spot test.
[summary of the invention]
The objective of the invention is to propose a kind of easy operation, make things convenient for accumulating, measurement result is accurate, and is cheap, and is suitable for measuring manganese concentration reagent in the water of fast-field evaluation.
The present invention also provides a kind of using method of mentioned reagent.
The object of the present invention is achieved like this:
Rapid measurement reagent for manganese concentration in the water of the present invention is that 1: 1 A reagent and B reagent is formed by mass ratio, wherein:
(1) each component in the A reagent and quality percentage composition thereof are: anhydrous potassium pyrophosphate 5.0～15.0%, sodium hydrogen phosphate 10.0～30.0%, citric acid 0.5～5.0% and anhydrous sodium sulfate 60～80%.
(2) each component in the B reagent and quality percentage composition thereof are: potassium metaperiodate 5～25%, potassium chloride 75～95%.
Wherein, each component and the quality percentage composition thereof in the preferred A reagent is: anhydrous potassium pyrophosphate 9%, ADSP 18%, citric acid 2.5%, anhydrous sodium sulfate 70.5%; Each component and quality percentage composition thereof in the preferred B reagent are: potassium metaperiodate 10%, potassium chloride 90%.
More preferably, make all components all can pass through 80 mesh standard sieves.
In the mensuration reagent further preferably, A reagent and B reagent are 0.2g.
The using method of said determination reagent comprises: A reagent is added in the water sample to be measured, after waiting to dissolve, adds B reagent again, leave standstill 10 minutes after, with standard color comparison card, colorimetric disc or tintmeter colorimetric, the concentration of reading manganese.
Wherein, if contain manganese in the water then show purple, and the depth of purple is directly proportional with the concentration of manganese in the water, therefore can be by the concentration of reading manganese with standard color comparison card, colorimetric disc or tintmeter colorimetric.
Principle of the present invention is to select the suitable buffer reagent that contains pyrophosphate, can at room temperature low price manganese be oxidized to permanganate, and the depth of color is directly proportional with manganese concentration in the water.
The present invention adopts the total solids pack, avoided national standard method need dispose reagent and standard solution, shortcomings such as the reagent shelf-life is of short duration, be used for potable water, the fast measuring of manganese concentration in surface water and the industrial waste water has easy and simple to handle, the result is accurate, low price is convenient to transportation and is carried, and is fit to advantages such as on-site measurement.
Use mensuration reagent of the present invention and standard method (being GB11906-1989) bioassay standard sample respectively, replicate determination is 5 times continuously, the results are shown in Table 1.This law and standard method basically identical as a result shows that this law accurately and reliably as can be seen.
The test result of table 1 standard model
The highest permission discharge capacity of manganese is respectively 2.0,5.0,5.0mg/L in the integrated wastewater discharge standard (GB8978-1996).The measurement range of this law is 0.10～20.00mg/L, and preferred 0.2g can satisfy the test request under a large amount of situations.
When manganese concentration is 5.00mg/L in water, add iron 2mg/L, chlorion 500mg/L, calcium 200mg/L, magnesium 500mg/L, five times measurement result is respectively 5.024mg/L, 5.118mg/L, 4.983mg/L, 5.127mg/L, 4.961mg/L, mean value are 5.043mg/L.Not interference measurement of common negative ion and metallic ion is described.
[embodiment]
Embodiment one
1, prepares the anhydrous potassium pyrophosphate of 9g, 18g ADSP, 2.5g citric acid, 70.5g anhydrous sodium sulfate adds above-mentioned starting material in the glass mortar, abundant grinding is worth whole starting material and can passes through 80 mesh standard sieves, be distributed into every bag 0.2g then, become A reagent;
2, prepare the 10g potassium metaperiodate, 90g potassium chloride adds above-mentioned starting material in the glass mortar, and abundant grinding is worth whole starting material and can passes through 80 mesh standard sieves, is distributed into every bag 0.2g then, becomes B reagent.
3, a bag A reagent is added in the water sample, after waiting to dissolve, add a bag B reagent, if contain manganese in the water then show purple, and the depth of purple is directly proportional with the concentration of manganese in the water, leave standstill 10 minutes after, with standard color comparison card, colorimetric disc or tintmeter colorimetric, the concentration of reading manganese.
Embodiment two
1, prepare the anhydrous potassium pyrophosphate of 5g, the 10g ADSP, the 0.5g citric acid, the 65g anhydrous sodium sulfate adds above-mentioned starting material in the glass mortar, and abundant grinding is worth whole starting material and can passes through 80 mesh standard sieves, is distributed into every bag 0.2g then, becomes A reagent;
2, prepare the 5g potassium metaperiodate, 95g potassium chloride adds above-mentioned starting material in the glass mortar, and abundant grinding is worth whole starting material and can passes through 80 mesh standard sieves, is distributed into every bag 0.2g then, becomes B reagent.
3, a bag A reagent is added in the water sample, after waiting to dissolve, add a bag B reagent, if contain manganese in the water then show purple, and the depth of purple is directly proportional with the concentration of manganese in the water, leave standstill 10 minutes after, with standard color comparison card, colorimetric disc or tintmeter colorimetric, the concentration of reading manganese.
Embodiment three
1, prepare the anhydrous potassium pyrophosphate of 15g, the 30g ADSP, the 5g citric acid, the 80g anhydrous sodium sulfate adds above-mentioned starting material in the glass mortar, and abundant grinding is worth whole starting material and can passes through 80 mesh standard sieves, is distributed into every bag 0.2g then, becomes A reagent;
2, prepare the 25g potassium metaperiodate, 75g potassium chloride adds above-mentioned starting material in the glass mortar, and abundant grinding is worth whole starting material and can passes through 80 mesh standard sieves, is distributed into every bag 0.2g then, becomes B reagent.
3, a bag A reagent is added in the water sample, after waiting to dissolve, add a bag B reagent, if contain manganese in the water then show purple, and the depth of purple is directly proportional with the concentration of manganese in the water, leave standstill 10 minutes after, with standard color comparison card, colorimetric disc or tintmeter colorimetric, the concentration of reading manganese.
Claims (6)
1, rapid measurement reagent for manganese concentration in a kind of water is characterized in that by mass ratio being that 1: 1 A reagent and B reagent is formed, wherein:
(1) each component in the A reagent and quality percentage composition thereof are: anhydrous potassium pyrophosphate 5.0～15.0%, sodium hydrogen phosphate 10.0～30.0%, citric acid 0.5～5.0% and anhydrous sodium sulfate 60～80%.
(2) each component in the B reagent and quality percentage composition thereof are: potassium metaperiodate 5～25%, potassium chloride 75～95%.
2, mensuration reagent as claimed in claim 1 is characterized in that each component and the quality percentage composition thereof in the A reagent is: anhydrous potassium pyrophosphate 9%, ADSP 18%, citric acid 2.5%, anhydrous sodium sulfate 70.5%.
3, mensuration reagent as claimed in claim 1 is characterized in that each component and the quality percentage composition thereof in the B reagent is: potassium metaperiodate 10%, potassium chloride 90%.
4,, it is characterized in that all components all can pass through 80 mesh standard sieves as claim 1 or 2 or 3 described mensuration reagent.
5,, it is characterized in that A reagent and B reagent are 0.2g as claim 1 or 2 or 3 described mensuration reagent.
6, a kind of using method of measuring reagent according to claim 1 is characterized in that comprising: A reagent is added in the water sample to be measured, after waiting to dissolve, add B reagent again, after leaving standstill 10 minutes, with standard color comparison card, colorimetric disc or tintmeter colorimetric, the concentration of reading manganese.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507554A (en) * | 2011-10-26 | 2012-06-20 | 华南理工大学 | Method for detecting beryllium content in water |
| CN103217383A (en) * | 2013-04-15 | 2013-07-24 | 同济大学 | Detecting tablet for measuring manganese content in water bodies |
| CN109060698A (en) * | 2018-10-31 | 2018-12-21 | 成都海兰天澄科技股份有限公司 | Manganese rapid assay methods in water quality |
| CN110646413A (en) * | 2019-09-27 | 2020-01-03 | 常州罗盘星检测科技有限公司 | Reagent for rapidly detecting calcium hardness concentration in water and use method thereof |
| KR20200068181A (en) * | 2018-12-05 | 2020-06-15 | 주식회사 씨맥 | a manganese detecting method |
| KR20200068183A (en) * | 2018-12-05 | 2020-06-15 | 주식회사 씨맥 | a manganese detecting agent and the detecting kit using thereof |
| CN112526060A (en) * | 2020-10-27 | 2021-03-19 | 盐城市联鑫钢铁有限公司 | Method for detecting manganese in manganese ore |
| CN115901744A (en) * | 2023-01-04 | 2023-04-04 | 广东环凯生物技术有限公司 | Rapid determination method and determination device for trace manganese in water |
-
2009
- 2009-09-04 CN CN2009101920306A patent/CN101639448B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507554A (en) * | 2011-10-26 | 2012-06-20 | 华南理工大学 | Method for detecting beryllium content in water |
| CN103217383A (en) * | 2013-04-15 | 2013-07-24 | 同济大学 | Detecting tablet for measuring manganese content in water bodies |
| CN109060698A (en) * | 2018-10-31 | 2018-12-21 | 成都海兰天澄科技股份有限公司 | Manganese rapid assay methods in water quality |
| KR20200068181A (en) * | 2018-12-05 | 2020-06-15 | 주식회사 씨맥 | a manganese detecting method |
| KR20200068183A (en) * | 2018-12-05 | 2020-06-15 | 주식회사 씨맥 | a manganese detecting agent and the detecting kit using thereof |
| KR102189037B1 (en) * | 2018-12-05 | 2020-12-09 | 주식회사 씨맥 | a manganese detecting method |
| KR102189040B1 (en) * | 2018-12-05 | 2020-12-09 | 주식회사 씨맥 | a manganese detecting agent and the detecting kit using thereof |
| CN110646413A (en) * | 2019-09-27 | 2020-01-03 | 常州罗盘星检测科技有限公司 | Reagent for rapidly detecting calcium hardness concentration in water and use method thereof |
| CN112526060A (en) * | 2020-10-27 | 2021-03-19 | 盐城市联鑫钢铁有限公司 | Method for detecting manganese in manganese ore |
| CN115901744A (en) * | 2023-01-04 | 2023-04-04 | 广东环凯生物技术有限公司 | Rapid determination method and determination device for trace manganese in water |
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| CN101639448B (en) | 2011-01-05 |
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