GB/T 6730.35-1986 Methods for chemical analysis of iron ores--The oxalic acid bis-cyclohexylidene hydragide(cuprizone) photometric method for the determination of copper content (English Version)
This standard applies to the determination of copper content in iron ore, iron concentrate, sinter and pellets. Measuring range: 0.01 to 1.00%.
GB/T 6730.35-1986 history
2016GB/T 6730.35-2016 Iron ores—Determination of copper content—Oxalic acid bis-cyclohexylidene hydragide (cuprizone) spectrophotometric method
1986GB/T 6730.35-1986 Methods for chemical analysis of iron ores--The oxalic acid bis-cyclohexylidene hydragide(cuprizone) photometric method for the determination of copper content