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119898 | Phosphate standard solution

2-3 Gün 119898 | Phosphate standard solution image

Merck - 119898 | 119898 | Phosphate standard solution

traceable to SRM from NIST KH₂PO₄ in H₂O 1000 mg/l PO₄ Certipur®

Description
Catalogue Number 119898
Synonyms Phosphate standard for aqueous matrices ready for use
Product Information
HS Code 2835 24 00
Physicochemical Information
Density 0.998 g/cm3 (20 °C)
Safety Information according to GHS
Storage class 10 - 13 Other liquids and solids
WGK NWG not water endangering
Disposal 28Aqueous solutions: Container D.
Storage and Shipping Information
Storage Store at +15°C to +25°C.
Specifications
Concentration     β (PO₄³⁻) 990 - 1010 mg/l
Determination method: Alkalimetric titration.The content of this solution was determined with sodium hydoxide standard solution (article number 1.09141) standardized against volumetric standard potassium hydrogen phthalate (article number 1.02400). The expanded measurement uncertainty is ± 0.4 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 84L (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard potassium hydrogen phthalate, measured in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.
  • Üretici: Merck
  • Ürün Kodu: 119898
  • Stok Durumu: 2-3 Gün
  • 29,69€ +KDV
  • Satış Fiyatı : 269,49TL
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