GB/T 223.63-1988 Methods for chemical analysis of iron, steel and alloy--The sodium(potassium)periodate photometric method for the determination of manganese content (English Version)
This standard is applicable to the determination of manganese content in pig iron, iron powder, carbon steel, alloy steel, high temperature alloy and precision alloy. Measuring range: 0.010% to 2.00%. This standard complies with GB 1467-78 "General Rules and General Provisions of Standards for Chemical Analysis Methods of Metallurgical Products". This standard complies with GB 7729-87 "General Principles of Spectrophotometric Method for Chemical Analysis of Metallurgical Products".
GB/T 223.63-1988 history
2022GB/T 223.63-2022 Iron, steel and alloy—Determination of manganese content—Sodium (potassium) periodate spectrophotometric method
1988GB/T 223.63-1988 Methods for chemical analysis of iron, steel and alloy--The sodium(potassium)periodate photometric method for the determination of manganese content