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Chinese National Standard Category: Inorganic acid and alkali

English Title: Sodium hydroxide for industrial use - Determination of iron content-1,10-phenanthroline photometric method
Chinese Title: 工业用氢氧化钠 铁含量的测定 1,10-菲啰啉分光光度法
Standard No.: GB/T 4348.3-2012
Category No.: G11
Issued by: AQSIQ,SAC
Issued on: 2012-12-31
Implemented on: 2013-8-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:GB/T 4348.3-2002 Sodium hydroxide for industrial use - Determination of iron content - 1,10 - Phenanthroline photometric method
Word Count:4000 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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