This standard specifies the requirements, test methods, detection rules, packaging and marking of chemical reagent standard glass emulsion. This standard specifies the preparation method for clarity standards.
HG/T 3484-1999 history
1999HG/T 3484-1999 Chemical reagent.Standard of clear liquor,made from glass dust,and standard of transparence
1970HG/T 3484-1978 Preparation and determination method of chemical reagent clarity standard (glass emulsion method)