Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

Chinese National Standard Category: Chemical reagent in general

English Title: Methods for analysis of water for boiler and for cooling; The determination of nitrates and nitrites; Alpha-naphthylamine hydrochloride photometric method
Chinese Title: 锅炉用水和冷却水分析方法 硝酸盐和亚硝酸盐的测定 α-萘胺盐酸盐光度法
Standard No.: GB/T 6912.3-1986
Category No.: G60
Issued by: China Oil and Chemical Industry Association
Issued on: 1986-09-16
Implemented on: 1987-9-1
Status: superseded
Superseded by:GB/T 6912-2008 Analysis of water used in boiler and cooling system - Determination of nitrite
Superseded on:2008-9-1
Abolished on:
Superseding:
Word Count:1500 words
Similar Standards: GB/T 9726-1988   GB/T 9722-2023   GB/T 603-2023   GB/T 39486-2020   GB/T 39630-2020   GB/T 37885-2019   GB/T 609-2018   GB/T 35507-2017   GB/T 35496-2017   GB/T 33087-2016   GB/T 31776-2015   GB/T 30990-2014   GB 15346-2012   HG/T 4297-2012   HG/T 3500-2011   HG/T 3501-2011   HG/T 4103-2009   GB/T 23942-2009   GB/T 613-2007/XG1-2009   GB 6851-2008  
Back          Detail

Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: Foryou Tech Co., Ltd. 2008-2020