YY/T 1416.4-2016 English PDF (YYT1416.4-2016)

This Part of YY/T 1416 specifies the experiment method of using ion chromatography method to determine the amounts of additives in single-use containers for human venous blood specimen collection (abbreviated as blood-collecting vessel, whose additives have fluoride). This Part applies to the blood-collecting vessels whose additives are fluoride/oxalate, fluoride/EDTA and fluoride/heparin. They can separately determine the amount of fluoride, oxalate and EDTA. For the blood-collecting vessel which contain the additive of fluoride/heparin, the amount of heparin can be determined by the methylene blue spectrophotometric method in YY/T 1416.3.