Buffer solution

REF : 1094399010
Marca : Supelco
Descrição :Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20C) Certipur(R)
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Descrição detalhada : The buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate) is gravimetrically prepared using high-quality salts in high-purity water. It is quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab. Its pH value of 7.00 at 20C is qualified following a 5-point calibration method, using a combined glass electrode, in accordance with DIN 19268, against reference buffer solutions following DIN 19266.
Armazenamento : 15-25C
Embalagem : 1X1EA