标准摘要
[中文适用范围]： 适用于As含量等于或大于0.5mg/kg的产品。 在通风良好的柜子中，将测试部分溶解在四氯化碳中。 硫被溴和硝酸氧化。 在沸水浴中加热，除去过量的溴、四氯化碳和硝酸。 分析按照ISO 2590进行。 需注意部分试剂的更换。 [外文原描述]： Applicable to products having As contents equal or more than 0.5 mg/kg. In a well-ventilated cupboard, dissolution of a test portion in carbon tetrachloride. Oxidation of sulphur by bromine and nitric acid. Heating in a boiling water bath to eliminate the exess of bromine, carbon tetrachloride and nitric acid. The analysis is carried out according to ISO 2590. The replacement of some reagents shall be noted.
英文名称Sulphur for industrial use — Determination of arsenic content — Silver diethyldithiocarbamate photometric method