This standard specifies the method for the determination of choline chloride in compound premixes by the Wright's salt colorimetric method. This standard applies to the determination of compound premixed choline chloride.
GB/T 17481-1998 history
2008GB/T 17481-2008 Determination of choline choride in premix
1998GB/T 17481-1998 The method for determination of choline choride in premix--Spectrophotometry