標準號：BS ISO 17852-2006
中文標準名稱：水質.汞的測定.以原子熒光分光光度測定法對合并保存和消化步驟的使用方法
英文標準名稱：Water quality - Determination of mercury - Method using a combined preservation and digestion step followed by atomic fluorescence spectrometry
標準類型：C53
發布日期：2006/6/30 12:00:00
實施日期：2006/6/30 12:00:00
中國標準分類號：C53
國際標準分類號：13.060.50
適用范圍：It specifies a method for the determination of mercury in drinking, surface, ground and rain water using atomic fluorescence spectrometry. It may be applied to industrial and municipal waste water after an additional digestion step under appropriate conditions. The potential linear dynamic range is approximately 1 nanogram per litre to 100 micrograms per litre. In practice, the working range is often from 10 nanograms per litre to 10 micrograms per litre.Samples containing mercury at concentrations higher than the working range can be analysed following appropriate dilution of the sample. The method detection limit will be dependent on the selected operating conditions and calibration range. With high purity reagents, a method detection limit of less than 1 nanogram per litre is obtainable.The relative standard deviation is typically less than 5 % for concentrations greater than twenty times the method detection limit. The sensitivity of this method is dependent on the selected operating conditions.