Buffer solution

REF : 1094061000
Marca : Supelco
Descrição :Buffer solution (potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25C) Certipur(R)
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Descrição detalhada : The potassium hydrogen phthalate buffer solution is prepared gravimetrically with potassium hydrogen phthalate and high-purity water. It is analyzed using a combined glass electrode following a 5-point calibration method, in accordance with DIN 19268, against certified primary reference standards as per DIN 19266.
Armazenamento : 15-25C
Embalagem : 1X1EA