GB/T 8704.9-1994 Methods for chemical analysis of ferrovanadium. The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method for determination of manganese content (English Version)
This standard specifies the following two methods for the determination of manganese in ferrovanadium. Method Ⅰ: Potassium periodate photometry, measuring range: 0.05%-0.60%; Method Ⅱ: flame atomic absorption spectrometry, measuring range: 0.01%-1.00%.
GB/T 8704.9-1994 history
2009GB/T 8704.9-2009 Ferrovanadium.Determination of manganese content.The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method
1994GB/T 8704.9-1994 Methods for chemical analysis of ferrovanadium. The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method for determination of manganese content