2014GB/T 6324.6-2014 Test method of organic chemical products.Part 6:Determination of color for liquids.Tristimulus colorimetry
2008GB/T 6324.5-2008 Test method of organic chemical products.Part 5: Determination of trace quantities of carbonyl compounds in organic chemicals
1986GB 6324.6-1986 Photometric method for the determination of trace carbonyl compounds in organic chemical products
GB 6324.6-1986 Photometric method for the determination of trace carbonyl compounds in organic chemical products was changed to GB/T 6324.5-2008 Test method of organic chemical products.Part 5: Determination of trace quantities of carbonyl compounds in organic chemicals.