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 12808 Laboratory glass instrument single marked line pipette
GB/T 20066 Steel and iron.Sampling and preparation of samples for the determination of chemical composition
GB/T 6379.1 Accuracy(trueness and precision)of measurement methods and results Part 1:General principles and definitions
GB/T 6379.2 Accuracy(trueness and precision)of measurement methods and results-Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method
GB/T 7729 Chemical analysis of metallurgical products—General rule for spectrophotometric methods
GB/T 223.63-2022 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