GB/T 4921-1985

Active

Waste gasfrom manufacturing process--Determination of chemical oxygendemand and nitrogenoxide--Potassium dichromate oxidation and naphthylethylene diamine colorimetric method

工业废气耗氧值和氧化氮的测定重铬酸钾氧化、萘乙二胺比色法

Standard Type

GBT

ICS

N/A

CCS

Z23

Status

现行

Issue Date

1985-01-18

Implementation

1985-08-01

Responsible Dept

生态环境部

Drafting Unit

N/A