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Phosphate standard for aqueous matrices ready for use
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Last Updated
11 Aug 2020
Minimum Order
1 Pieces
Category
Chemicals

Specification of Phosphate standard for aqueous matrices ready for use

DI JUAL Phosphate standard solution traceable to SRM from NIST KH2PO4 in H2O 1000 mgl PO4 CertiPUR 500 mL Merck
Packaging: 500 ml plastic bottles
Catalog Number: 1.19898.0500

SKU: KP4479 / CMSI / PSST / 05

Description
Catalog Number 119898
Phosphate standard synonym for a water ready-to-use matrix
product information
HS Code 2835 24 00
MQ100 Quality Level
Physicochemical Information
Density 0.998 g / cm3 (20 ° C)
Safety Information according to GHS
Storage class 10 - 13 Other liquids and solids
WGK NWG is harmless to air
Disposal 28
Dilute Solution: Category D
Storage and Shipping Information
Storage Store at + 15 ° C to + 25 ° C.
Specification
Concentration of β (PO₄³⁻) 990 - 1010 mg / l
Method of determination: Alkali titration.
The content of this solution is determined by a standard solution of sodium hydroxide (article number 1.09141) which is standardized against the volumetric standard of potassium hydrogen phthalate (article number 1.02400). The extended measurement uncertainty was ± 0.4% (k = 2 coverage factor for 95% coverage probability). The certified value is traceable to the NIST SRM 84L primary standard (NIST: National Institute of Standards and Technology, USA) using the volumetric potassium hydrogen phthalate standard, measured at the Merck KGaA accredited calibration laboratory, Darmstadt, Germany according to DIN EN ISO / IEC 17025.

Noted:
* Before ordering, please ask for stock and prices because prices can change at any time
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* Chatt price for WA delivery service: 0821 1434 5724
Laboratory Reagents

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