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Chinese National Standard Category: Heavy metal ore

English Title: Methods for chemical analysis of bauxite--Determination of silicon dioxide content--Molybdenum blue photometric method
Chinese Title: 铝土矿石化学分析方法 钼蓝光度法测定二氧化硅量
Standard No.: GB/T 3257.3-1999
Category No.: D42
Issued by: SQTSB
Issued on: 1999-08-03
Implemented on: 2000-4-1
Status: superseded
Superseded by:YS/T 575.3-2006 Methods for chemical analysis of bauxite -- Determination of silicon dioxide content -- Molybdenum blue photometric method
Superseded on:2006-10-11
Abolished on:
Superseding:GB/T 3257.3-1982 Methods for chemical analysis of bauxite ores--The molybdenum blue photometric method for determination of silicon dioxide content
Word Count:2000 words
Similar Standards: GB/T 3257.8-1999   GB/Z 39124-2020   YS/T 341.4-2016   YS/T 1115.5-2016   YS/T 1115.6-2016   YS/T 1115.2-2016   YS/T 1115.12-2016   YS/T 1115.7-2016   YS/T 1115.11-2016   YS/T 1115.3-2016   YS/T 1050.10-2016   YS/T 1115.14-2016   YS/T 1115.4-2016   YS/T 1115.9-2016   YS/T 1115.8-2016   YS/T 1115.1-2016   DZ/T 0279.19-2016   DZ/T 0279.16-2016   DZ/T 0279.14-2016   DZ/T 0279.13-2016  
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