Rapid detection kit of nitrite nitrogen, fabrication method of rapid detection kit and rapid detection method of nitrite nitrogen

Abstract

The invention discloses a rapid detection kit of nitrite nitrogen, a fabrication method of the rapid detection kit and a rapid detection method of the nitrite nitrogen. The rapid detection kit of thenitrite nitrogen comprises a package container, a developing water agent, a developing powder agent, a standard color card, an injector, a detection bottle and a second container, wherein the developing water agent, the developing powder agent, the standard color card, the injector, the detection bottle and the second container are accommodated in the package container, the detection bottle is provided with graduation lines, the second container is loaded with dilution water, the developing water agent and the developing powder agent are respectively loaded in a lightproof eyedrop bottle and alightproof first container, the developing water agent is diluted hydrochloric acid, and the developing powder agent is a mixed powder agent containing p-acetaminobenzenesulfamide, N-(1-naphthyl)-ethylenediamine dihydrochloride, sodium chloride, citric acid and / or a hydrate thereof. The rapid detection kit of the nitrite nitrogen is convenient to use, rapid detection of a site can be achieved, the rapid detection kit has relatively high practicability, and great convenience can be provided for a detection site in lack of detection equipment.

Description

technical field [0001] The invention relates to the field of water quality detection, in particular to a nitrite nitrogen rapid detection kit, a preparation method thereof and a nitrite nitrogen rapid detection method. Background technique [0002] Nitrite is an intermediate product of the nitrogen cycle and is unstable; it can be oxidized to nitrate or reduced to ammonia depending on the water environment conditions. Therefore, by measuring nitrite nitrogen (NO 2 - -N), and at the same time know the content of nitrate nitrogen and ammonia nitrogen in the water, you can judge whether the total amount of nitrogen compounds in the polluted water body exceeds the standard. Quantitative measures, such as using biochemical technology to control the content of nitrate nitrogen in sewage, and reducing the concentration of nitrate nitrogen through denitrification. If the denitrification process is not properly controlled, it will lead to the accumulation of nitrite nitrogen, whic...

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Problems solved by technology

[0007] 2) The stabilization time is too long, which is 20 minutes, and the stabilization time needs to be appropriately reduced to achieve the purpose of rapid detection;

[0009] 4) The reaction of the national standard method needs to be carried out under strong acidic conditions, the pH cannot exceed 2, and the reaction system does not provide an appropriate acid buffer environment to cope with the complex water environment;

[0010] 5) The operation process of the national standard method is complicated, and a pipette is needed to pipette the solution, and a spectrophotometer is also used to measure the concentration, so it is urgent to simplify the process

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