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Phosphate standard for aqueous matrices ready for use
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Last Updated
11 Aug 2020
Country Origin
Germany
Minimum Order
1 Pieces

Specification of

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
* Prices do not include VAT
* Chatt price for WA delivery service: 0821 1434 5724
Laboratory Reagents

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