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Reagent for quick detection of ammonia and nitrogen concentration in water and use method thereof

A technology for detecting the concentration of reagents and ammonia nitrogen, which is applied in the measurement of color/spectral characteristics, material analysis by observing the influence of chemical indicators, and analysis by making materials undergo chemical reactions. It can solve the problems of short stabilization time, expensive instruments, Analyze problems such as long cycle time to achieve the effect of convenient storage and transportation, cheap price and accurate results

Active Publication Date: 2008-10-29
GUANGDONG HUANKAI MICROBIAL SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the methods for determining the concentration of ammonia nitrogen in water at home and abroad mainly include: salicylic acid spectrophotometry, Nessler's reagent method, ion chromatography, etc. The main disadvantages of salicylic acid spectrophotometry and Nessler's reagent method are that the operation steps are complex and cumbersome, and the analysis period Long, the liquid reagent has a long color development time and a short stable time; ion chromatography requires expensive instruments
These methods require high professional skills of operators, and can only be completed in the laboratory, which cannot meet the requirements of rapid on-site determination

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] This reagent is divided into A and B two-component packaging, the specific production method is as follows:

[0013] 1. Prepare raw materials for component A according to the following proportions: 250g sodium tartrate, 300g sodium salicylate, 400g trisodium citrate, 15g sodium nitroprusside, add the above materials into a glass mortar, grind until all raw materials can Pass through a 80-mesh standard sieve, then pack into 0.1 grams per package, and become A reagent;

[0014] 2. Prepare raw materials for component B according to the following ratio: 40g sodium hydroxide, 60g lithium hydroxide, 300g trisodium citrate, 6g sodium dichloroisocyanurate, 4g trichloroisocyanuric acid and 540g sodium tartrate, add the above materials Put it into a glass mortar and grind it fully until all the raw materials can pass through an 80-mesh standard sieve, and then pack it into 0.1 grams per package to become reagent B.

Embodiment 2

[0016] This reagent is divided into A and B two-component packaging, the specific production method is as follows:

[0017] 1. Prepare the raw materials for component A according to the following proportions: 330g sodium tartrate, 200g sodium salicylate, 500g trisodium citrate, 5g sodium nitroprusside, add the above materials into a glass mortar, grind until all the raw materials can Pass through a 80-mesh standard sieve, then pack into 0.1 grams per package, and become A reagent;

[0018] 2. Prepare raw materials for component B according to the following ratio: 60g sodium hydroxide, 40g lithium hydroxide, 500g trisodium citrate, 4g sodium dichloroisocyanurate, 6g trichloroisocyanuric acid and 440g sodium tartrate, add the above materials Put it into a glass mortar and grind it fully until all the raw materials can pass through an 80-mesh standard sieve, and then pack it into 0.1 grams per package to become reagent B.

Embodiment 3

[0020] This reagent is divided into A and B two-component packaging, the specific production method is as follows:

[0021] 1. Prepare the raw materials for component A according to the following ratio: 290g sodium tartrate, 250g sodium salicylate, 450g trisodium citrate, 10g sodium nitroprusside, add the above materials into a glass mortar, grind until all raw materials can Pass through a 80-mesh standard sieve, then pack into 0.1 grams per package, and become A reagent;

[0022] 2. Prepare raw materials for component B according to the following ratio: 50g sodium hydroxide, 50g lithium hydroxide, 400g trisodium citrate, 5g sodium dichloroisocyanurate, 5g trichloroisocyanuric acid and 490g sodium tartrate, add the above materials Put it into a glass mortar and grind it fully until all the raw materials can pass through an 80-mesh standard sieve, and then pack it into 0.1 grams per package to become reagent B.

[0023] When using the above example, add a pack of A reagent to ...

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Abstract

The invention relates to a testing agent for detecting ammonia nitrogen in water. The testing agent comprises A, B two packages, wherein the A is packaged by grinding and mixing sodium tartrate, natrium salicylicum, citric acid trisodium and nipride; the B is packaged by grinding and mixing sodium-hydroxide, lithium hydrate, citric acid trisodium, babysafe, symclosene and symclosene. When use the testing agent, adding a pack of A into sample water, adding a pack of B after placing 2 minutes, the water will display blue-green color if there's ammonia nitrogen in the water, and the darkness of the color is in proportion to the concentration of the ammonia nitrogen; placing 10 minutes, comparing it with the standard color matching card, color matching disc to read the concentration of the ammonia nitrogen in the water.

Description

[technical field] [0001] The invention relates to a rapid detection reagent for ammonia nitrogen concentration in water and its usage. [Background technique] [0002] Among water pollution indicators, ammonia nitrogen is one of the important testing items. The pollution survey of major water systems in my country in 2002 showed that ammonia nitrogen appeared in the main pollution indicators of the Yangtze River, Pearl River, Haihe River, Liaohe River, Taihu Lake, Dianchi Lake and Chaohu Lake. A low concentration of ammonia nitrogen has no direct harm to the human body, and has little effect on aquatic organisms. It is still a nutrient in an appropriate amount, but if the content of ammonia nitrogen in the water is too high, it will have adverse effects not only on the human body, but also on the quality of the water body. Even catastrophic consequences. Excessive ammonia nitrogen content in the water body can promote the excessive reproduction of algae until the number reac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/78G01N21/25
Inventor 邓金花吴清平阙绍辉
Owner GUANGDONG HUANKAI MICROBIAL SCI & TECH
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