该方法适用于含有煤焦油酸或类似石油酸或其混合物的消毒液；不适用于含有额外活性成分的液体。通过该方法测定的酸被描述为阿斯塔酸，与它们的实际来源无关。交叉引用:BS 135、458、805BS 572BS 593BS 604BS 676BS 1752BS 2021BS 2462BS 2734BS 5922

The method is suitable for application to disinfectant fluids containing coal-tar acids, or similar acids derived from petroleum, or mixtures of these; it is not applicable to fluids containing additional active ingredients. The acids determined by the method are described astar acids, irrespective of their actual source.Cross References:BS 135, 458, 805BS 572BS 593BS 604BS 676BS 1752BS 2021BS 2462BS 2734BS 5922