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描述 产品目录编号 119896 同义词 Bromide standard for aqueous matrices ready for use 产品信息 HS代码 2827 51 00 理化信息 密度 0.999 g/cm³ (20 °C) GHS安全信息 储存类别 10 - 13 其它液体及固体 WGK NWG 没有使水遭到危害 一次性 28
水溶液:第D类.规格 规格 Concentration β (Br⁻) 990 - 1010 mg/l Determination method: Argentometric titration.
The content of this solution was determined with silver nitrate standard solution (Merck article number 1.09081) standardized against volumetric standard sodium chloride (Merck article number 1.02406). The expanded measurement uncertainty is +/-0.004 (k=2 coverage factor for 95% coverage probility). 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 in accor
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