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Chinese National Standard Category: Iron ore

English Title: Methods for chemical analysis of iron ores; The n-butyl acetate extraction-molybdenum blue photometric method for the determination of phosphorus content
Chinese Title: 铁矿石化学分析方法 乙酸丁酯萃取-钼蓝光度法测定磷量
Standard No.: GB/T 6730.18-1986
Category No.: D31
Issued by: CSBTS
Issued on: 1986-08-19
Implemented on: 1987-8-1
Status: superseded
Superseded by:GB/T 6730.18-2006 Iron ores - Determination of phosphorus content - Molybdenum blue spectrophotometric method
Superseded on:2007-2-1
Abolished on:
Superseding:GB 1369-1978
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  
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