HG/T 5916-2021
GB/T 4325.13-1984
Methods for chemical analysis of molybdenum--The glyoxal bis (2-hydroxyanil) photometric method for the determination of calcium content
GB/T 4324.13-1984
Methods for chemical analysis of tungsten--The glyoxal bis (2-hydroxyanil) photometric method for the determination of calcium content
HG/T 5589\uff5e5593-2019
ASTM D8361-20
Standard Test Method for Total Organic Carbon in Water by Two Stage Wet Chemical Catalyzed Hydroxyl Radical Oxidation with Infra-Red Detection of Resulting Carbon Dioxide