PERCHLORIC ACID IN ANHYDROUS ACETIC ACID, FOR TITRATIONS IN NON-AQUEOUS MEDIA C(HCLO₄) = 0.1 MOL/L (0.1 N) TITRIPUR REAG. PH EUR,REAG. USP 1 LT # HARAP MENANYAKAN STOCK TERLEBIH DAHULU # Merk : MERCK Negara : Germany Catalog No. : 109065.1000 Packing : 1 Lt (Botol Kaca) Physicochemical Information Density 1.06 g/cm3 (20 °C) Flash point 40 °C Ignition temperature 485 °C pH value 0.1 (H₂O, 20 °C) Specifications Volumetric solution in accordance to the chapter reagents of the Pharmacopoeia (Ph Eur, USP). Form liquid Amount-of-substance concentration 0.0995 - 0.1005 Measurement uncertainty +/- 0.0003 Water content (according to Karl Fischer) 0.1 - 0.2 % Traceability NIST SRM Accreditation: This volumetric solution is certified according to DIN EN ISO/IEC 17025. Merck KGaA, Darmstadt, Germany is accredited as calibration laboratory D-K-15185-01-00 for amount-of-substance concentrations in volumetric solutions according to DIN EN ISO/IEC 17025 by DAkkS (Deutsche Akkreditierungsstelle). The accreditation certificate can be found at ISO17025. The concentration is determined by volumetric titration and refers to 20°C. The certified value is traceable to a primary standard from the National Institute of Standards and Technology USA (NIST SRM 84 potassium hydrogen phthalate) by means of volumetric standard potassium hydrogen phthalate (article number 1.02400, certified by the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany according to DIN EN ISO 17025. The uncertainty is expressed as expanded measurement uncertainty with a coverage factor k=2 covering a confidence level of 95%. All measurements are carried out in the calibration laboratory D-K-15185-01-00 of Merck KGaA, Darmstadt, Germany.