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Professional Standard Category: Professional Standard - Metallurgy

YB 903-1978   
;
Category No.:YB Valid Status:superseded
Issued Organization: Issued Date:
Implemented Date: Abolished Date:
Superseded Standard.:GB/T 13748.1-1992 Magnesium and its alloys--Determination of aluminium content
GB/T 13748.7-1992 Magnesium and its alloys-Determination of beryllium content-Solochrome cyanine R Spectrophotometric method
GB/T 13748.4-1992 Magnesium and its alloys--Determination of cerium content--Tribromoarsenazo spectrophotometric method
GB/T 13748.10-1992 Magnesium and its alloys--Determination of zinc content--Flame atomic absorption spectrometric method
GB/T 13748.2-1992 Magnesium and its alloys--Determination of manganese content--Periodate spectoophotometric method
GB/T 13748.9-1992 Magnesium and its alloys--Determination of nickel content--Dimethylyoxime spectrophotometric method
GB/T 13748.5-1992 Magnesium and its alloys--Determination of iron content--Orthophenanthroline spectrophotometric method
GB/T 13748.3-1992 Magnesium and its alloys--Determination of zirconium content--Xylenol orange spectrophotometric method
GB/T 13748.6-1992 Magnesium and its alloys--Determination of silicon content--Molybdenum blue spectrophotometric method
GB/T 13748.8-1992 Magnesium and its alloys--Determination of copper content-2, 9-dimethyl-1, 10-phenanthroline spectrophotometric method
 Superseded Date:1993-6-1
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