Merck 104690 pHospHate Standard Solution Traceable To Srm From Nıst Kh₂Po₄ İn H₂O 1000 Mg/L Po₄ Certipur® 500 ml

Kategori

Analitik Kimyasallar

Marka

MERCK

Stok Kodu

LB.M.104690.0500

* 295,02 TL den başlayan taksitlerle!!

2.359,37 TL + KDV

2.831,25 TL

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Ön Siparişli Ürün

MERCK 104690 Phosphate standard solution traceable to SRM from NIST KH₂PO₄ in H₂O 1000 mg/l PO₄ Certipur® 500 mL
Catalogue Number	104690
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	28 Aqueous 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.

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.

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Merck 104690 pHospHate Standard Solution Traceable To Srm From Nıst Kh₂Po₄ İn H₂O 1000 Mg/L Po₄ Certipur® 500 ml

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