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

Chinese National Standard Category: Iron ore

English Title: Methods for chemical analysis of iron ores; The nitroso-R salt photometric method for the determination of cobalt content
Chinese Title: 铁矿石化学分析方法 亚硝基-R盐光度法测定钴量
Standard No.: GB 6730.38-1986
Category No.: D31
Issued by: AQSIQ
Issued on: 1986-08-19
Implemented on: 1987-8-1
Status: superseded
Superseded by:GB/T 6730.38-2017 Iron ores--Determination of cobalt content--Nltroso-R salt spectrophotometric method
Superseded on:2018-6-1
Abolished on:
Superseding:GB 1379-1978
Word Count:2000 words
Similar Standards: GB/T 10322.7-2004   YS/T 1047.9-2015   GB/T 6730.86-2023   GB/T 6730.85-2023   GB/T 6730.87-2023   GB/T 10322.1-2023   GB/T 6730.84-2023   GB/T 42523-2023   GB/T 42524-2023   GB/Z 42521-2023   GB/T 42522-2023   GB/T 6730.51-2023   GB/Z 42520-2023   GB/Z 42358-2023   GB/T 6730.61-2022   GB/T 20565-2022   GB/T 6730.60-2022   GB/T 10322.6-2022   GB/T 6730.5-2022   GB/T 6730.28-2021  
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