This standard specifies the properties, specifications, testing, inspection rules, packaging and marking of the chemical reagent phenol red. This standard applies to the testing of chemical reagent phenol red.
HG/T 4100-2009 Referenced Document
GB 15346 Chemical reagent.Packaging and marking*, 2012-12-31 Update
GB/T 601 Chemical reagent.Preparations of reference titration solutions*, 2016-10-13 Update
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*, 2023-08-06 Update
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 9721-2006 chemical reagent General rules for the molecular absorption spectrophotometry (ultraviolet and visible)
GB/T 9741-2008 Chemical reagent.General method for the determination of residue after ignition
HG/T 3921 Chemical reagent.Regulations for sampling and acceptance
HG/T 4015 Chemical reagent.General method for the determination of pH ranges corresponding the colour transition of acid-base indicators