MERCK 1198110500 Nitrato Solución Patrón. Trazable a SRM de NIST NaNO₃ en H₂O 1000 mg/l NO₃ Certipur® (Botella 500 ml)

Categoria: : Químicos
Fabricante: Marcas Varias
Código: : MERCK 1198110500 Nitrato - Solução Padrão. Rastreada a SRM do NIST.
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Número de referencia Embalaje Cant./Env.  
1198110500 Frasco, plástico 500 ml

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Descripción
Número de catálogo 119811
Sinónimos Nitrate standard for aqueous matrices ready for use

Información del producto
Código HS 2834 29 80
Quality Level MQ100

Información fisicoquímica
Densidad 1.00 g/cm3 (20 °C)
Valor de pH 6 (H₂O, 20 °C)

Información de seguridad según el GHS
Clase de almacenamiento 10 - 13 Otros liquidos y sustancias sólidas
WGK NWG ningún peligro para el agua

Información de almacenamiento y transporte
Almacenamiento Almacenar entre +15°C y +25°C.

Especificaciones
Concentration     β (NO₃⁻) 990 - 1010 mg/l
Determination method:   Alkalimetric titration.
The content of this solution was determined with sodium hydroxid standard solution 0.1 mol/l .The sodium hydroxide standard solution 0.1 mol/l is adjusted by hydrochloric acid standard solution 0.1 mol/L.The hydrochloric acid standard solution is standardized and traceable to volumetric standard tris(hydroxymethyl)aminomethane (article number 1.02408). The expanded measurement uncertainty is ± 1 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 723 (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard tris(hydroxymethyl)aminomethane, measured in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.

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