GB/T 15502-1995 in English
VALIDAir quality -Determination of aniline -N-(1-naphthyl) ethylene diamine dihydrochloride spectrophotometric method
- Issued on:1995-01-19
- Implemented on:1995-08-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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《GB/T 15502-1995空气质量 苯胺类的测定 盐酸萘乙二胺分光光度法》由467(生态环境部)归口,主管部门为生态环境部。
本标准规定了测定工业废气和环境空气中苯胺(芳香伯胺)类化合物的盐酸萘乙二胺分光光度法。本方法适用于制药、染料等行业排放废气中苯胺(芳香伯胺)类化合物的测定。
Scope
This standard specifies the spectrophotometric method of naphthaleneethylenediamine hydrochloride for the determination of aniline (aromatic primary amine) compounds in industrial waste gas and ambient air. This method is suitable for the determination of aniline (aromatic primary amine) compounds in the exhaust gas of pharmaceutical, dyestuff and other industries. When the sampling volume is 0.5-10.0L, the absorption efficiency reaches 99%, and the measurement range is 0.5-600mg/m3. When the concentration of aniline is 10μg/10m1, the content of coexisting NH+4 is not more than 400mg, and the content of NOx is not more than 3mg, there is no obvious interference.

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