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

Katalog No: 119899.0500

Marka: Merck

1.752,00 ₺
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Merck 119899 Nitrite standard solution traceable to SRM from NIST NaNO₂ in H₂O 1000 mg/l NO₂ Certipur®

Synonyms: Nitrite standard for aqueous matrices ready foruse

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

 

 

Açıklama
Katalog Numarası119899
Eş anlamlıNitrite standard for aqueous matrices ready foruse

 

Ürün Bilgisi
HS Kodu2834 10 00
Quality LevelMQ100

 

Fizikokimyasal Bilgiler
Yoğunluk1.001 g/cm3 (20 °C)
pH Değeri7 (H₂O, 20 °C)

 

Özellikler
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.
119899.0500

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