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Chinese National Standard Category: Inorganic acid and alkali

English Title: Sodium hydroxide for chemical fiber use; Determination of silicon mass fraction; Reduced molybdosilicate spectrometric method
Chinese Title: 化纤用氢氧化钠中硅含量的测定 还原硅钼酸盐分光光度法
Standard No.: GB 11213.4-1989
Category No.: G11
Issued by: Ministry of Chemical Industry
Issued on: 1988-08-13
Implemented on: 1990-1-1
Status: abolished
Superseded by:GB/T 11213.4-2006 Sodium hydroxide for chemical fiber use—Determination of silicon content—Reduced molybdosilicate spectrophotometric method
Superseded on:2007-6-1
Abolished on:2007-06-01
Superseding:
Word Count:1000 words
Similar Standards: T/CSAIA 001-2021   GB/T 7744-2008   T/JSSES 16-2021   GB 7744-1998   GB/T 40124-2021   GB/T 7746-2023   GB/T 1919-2023   GB/T 7744-2023   GB/T 41881-2022   GB/T 210-2022   T/CSAIA 002-2021   GB/T 209-2018   GB/T 538-2018   GB/T 23855-2018   T/ZGM 001-2017   GB/T 13549-2016   GB/T 7698-2014   GB/T 4348.2-2014   HG/T 4673-2014   GB/T 1919-2014  
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