This document specifies the properties, specifications, testing, inspection rules, packaging and marking of the chemical reagent phenolphthalein test paper. This document applies to the inspection of chemical reagent phenolphthalein test paper (hereinafter referred to as test paper).
T/CRIAC 0041-2021 history
2021T/CRIAC 0041-2021 Chemical reagent—Potassium iodine starch paper