Merck 119812 Ammonium standard solution traceable to SRM from NIST NH₄Cl in H₂O 1000 mg/l NH₄ Certipur 500 Ml

Katalog No: 119812.0500

Marka: Merck

2.105,04 ₺
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Merck 119812 Ammonium standard solution traceable to SRM from NIST NH₄Cl in H₂O 1000 mg/l NH₄ Certipur®

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Merck 119812 Ammonium standard solution traceable to SRM from NIST NH₄Cl in H₂O 1000 mg/l NH₄ Certipur®

 

 

Açıklama
Katalog Numarası119812

 

Ürün Bilgisi
HS Kodu2827 10 00
Quality LevelMQ100

 

Fizikokimyasal Bilgiler
Yoğunluk0.99 g/cm3 (20 °C)
pH Değeri5.4 (H₂O, 20 °C)

 

Özellikler
Concentration     β (NH₄⁺)990 - 1010 mg/l
Determination method: Argentometric titration.
The content of this solution was determined with silver nitrate standard solution (article number 1.09081) standardized against volumetric standard sodium chloride (article number 1.02406). 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 999b (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard sodium chloride, measured in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.
119812.0500

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