Standard No.:	GB/T 4700.4-1998
English Name:	Methods for chemical analysis of calcium-silicon- The phosphomolybdenum blue photometric method for the determination of phosphorus content
Chinese Name:	硅钙合金化学分析方法 磷钼蓝分光光度法测定磷量
Chinese Classification:	H17    Semimetal and semiconductor material analysis method
Professional Classification:	GB    National Standard
ICS Classification:	77.040.30 77.040.30    Chemical analysis of metals 77.040.30
Issued by:	State Qualtiy Technical Supervision Bureau
Issued on:	1998-01-02
Implemented on:	1999-7-1
Status:	abolished
Superseded by:	YB/T 5315-2006 Methods for chemical analysis of calcium-silicon -- The phosphomolybdenum blue photometric method for the determination of phosphorus content
Superseded on:	2006-10-11
Abolished on:	2007-09-29
Superseding:	GB/T 4700.4-1984 GB 4700.4-1984 Methods for chemical analysis of calcium-silicon - The phosphorus molybdenum blues photometry for the determination of phosphorus content
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	184.00
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本标准规定了用磷钼蓝分光光度法测定磷量。本标准适用于硅钙合金中磷量的测定，测定范围：≤0.06%。