BS ISO 622:2016规定了一种还原磷钼酸盐光度法，用于测定 硬煤、褐煤和焦炭的总磷含量。两种吸收磷的方法 规定了溶液，即用酸从煤或焦灰中提取，或通过反复氧化 煤或焦炭，通过酸去除含碳物质。交叉引用:ISO 383ISO 565ISO 1171ISO 18283购买本文件时可获得的所有现行修订均包含在购买本文件中。

BS ISO 622:2016 specifies a reduced molybdophosphate photometric method for the determination of the total phosphorus content of hard coal, lignites and coke. Two methods for taking the phosphorus into solution are specified, namely extraction from the coal or coke ash with acid or by repeated oxidation of the coal or coke, by acid, to remove carbonaceous matter.Cross References:ISO 383ISO 565ISO 1171ISO 18283All current amendments available at time of purchase are included with the purchase of this document.