[Merck Millipore Corporation] Potassium Hydrogen Phthalate Secondary Standard Materials for pH Measurement, Directly Traceable for Primary SRM Of NIST And PTB Ph(S)=4.00(6)(25°C) (DIN 19266) Certipur(R) 101965 25G
製品名:Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 4.00₅ (25℃) (DIN 19266) CertiPUR®