Merck 119899 Nitrite standard solution traceable to SRM from NIST NaNO₂ in H₂O 1000 mg/l NO₂ Certipur® 500 mL

Kategori

Analitik Kimyasallar

Marka

MERCK

Stok Kodu

LB.M.119899.0500

Kısa Bilgi

Synonyms: Nitrite standard for aqueous matrices ready foruse

2.231,42 TL + KDV

2.677,70 TL

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Teklif Sepetine Ekle

Ön Siparişli Ürün

Merck 119899 Nitrite standard solution traceable to SRM from NIST NaNO₂ in H₂O 1000 mg/l NO₂ Certipur® 500 mL
Catalogue Number	119899
Synonyms	Nitrite standard for aqueous matrices ready foruse

Product Information
HS Code	2834 10 00

Physicochemical Information
pH value	7 (H₂O, 20 °C)

Safety Information according to GHS
Storage class	10 - 13 Other liquids and solids
WGK	WGK 2 significantly water endangering
Disposal	28 Aqueous solutions: Container D.

Storage and Shipping Information
Storage	Store at +15 °C to +25 °C.

Specifications
Concentration β (NO₂⁻)	990 - 1010 mg/l
Determination method: Cerimetric titration. The content of this solution was determined by back-titration with Ammonium(II) ferrous sulfate (article number 1.03792) standardized by Cerium(IV) sulfate (article number 1.09092) against volumetric standard Iron(II)ethylendiammonium sulfate (article number 1.02402). The expanded measurement uncertainty is ± 0.7 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 8040 (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard Iron(II)ethylendiammonium sulfate measured in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.

Specifications

Concentration β (NO₂⁻)

990 - 1010 mg/l

Determination method: Cerimetric titration.
The content of this solution was determined by back-titration with Ammonium(II) ferrous sulfate (article number 1.03792) standardized by Cerium(IV) sulfate (article number 1.09092) against volumetric standard Iron(II)ethylendiammonium sulfate (article number 1.02402). The expanded measurement uncertainty is ± 0.7 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 8040 (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard Iron(II)ethylendiammonium sulfate measured in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.

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SDS

Merck 105012 Potassium hydroxide pellets EMPLURA®

Merck 119899 Nitrite standard solution traceable to SRM from NIST NaNO₂ in H₂O 1000 mg/l NO₂ Certipur® 500 mL

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