GB 6857-2008
pH primary reagent - Potassium hydrogen phthalate
GB/T 1291-2008
Chemical reagent - Potassium hydrogen phthalate
GB 1257-2007
Working chemical - Potassium hydrogen phthalate
GB 10730-2008
Primary chemical - Potassium hydrogen phthalate
GB/T 1291-1988
Chemical reagent—Potassium hydrogen phthalate
GB 1257-1989
Working chemical Potassium hydrogen phthalate
GB 10730-1989
Primary chemical—Potassium hydrogen phthalate
KS M 8283-1996(2001)
POTASSIUM HYDROGEN PHTHALATE