MERCK 1198110500 Nitrato Solución Patrón. Trazable a SRM de NIST NaNO₃ en H₂O 1000 mg/l NO₃ Certipur® (Botella 500 ml)
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Número de referencia | Embalaje | Cant./Env. | |
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1198110500 | Frasco, plástico | 500 ml |
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Descripción | |
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Número de catálogo | 119811 |
Sinónimos | Nitrate standard for aqueous matrices ready for use |
Información del producto | |
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Código HS | 2834 29 80 |
Quality Level | MQ100 |
Información fisicoquímica | |
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Densidad | 1.00 g/cm3 (20 °C) |
Valor de pH | 6 (H₂O, 20 °C) |
Información de seguridad según el GHS | |
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Clase de almacenamiento | 10 - 13 Otros liquidos y sustancias sólidas |
WGK | NWG ningún peligro para el agua |
Información de almacenamiento y transporte | |
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Almacenamiento | Almacenar entre +15°C y +25°C. |
Especificaciones | |
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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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