GB/T 4325.7-2013: Methods for chemical analysis of molybdenum - Part 7: Determination of iron content - 1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry

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Scope

This part of GB/T 4325 specifies the method for determining the content of iron
in molybdenum.
This part applies to the determination of iron content in molybdenum powder,
molybdenum bar, molybdenum trioxide, ammonium molybdate. Method 1’s
measurement range: 0.0005% ~ 0.060%; method 2’s measurement range:
0.0002% ~ 0.100%.

Basic Data

Standard ID	GB/T 4325.7-2013 (GB/T4325.7-2013)
Description (Translated English)	Methods for chemical analysis of molybdenum - Part 7: Determination of iron content - 1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H63
Classification of International Standard	77.120.99
Word Count Estimation	11,174
Older Standard (superseded by this standard)	GB/T 4325.6-1984
Quoted Standard	GB/T 6682; GB/T 12806; GB/T 12808; GB/T 12809; GB/T 12810
Regulation (derived from)	National Standards Bulletin 2013 No. 6
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the amount of molybdenum in the iron determination. This part applies to molybdenum powder, molybdenum, molybdenum trioxide, molybdic acid iron iron content. Method one measuring range: 0. 0005% ~ 0. 060%, method two measuring rang