土壤全硫(S)的平均含量为0.05%,即1克土壤平均含S为0.5毫克。通常采用干灰化法或湿灰化法测定土壤全硫量,但是都有大量的有机结合态硫在灰化过程中挥发而损失掉,同时用氯化钡作沉淀剂的重量法在测定时手续烦锁,特别是对于含硫量较低的土壤样品来说,均不能得到满意的结果。国外曾报导过燃烧法测定矿物和冶金材料中 The average soil total sulfur (S) content of 0.05%, or 1 gram of soil containing S average 0.5 mg. Usually dry ashing or wet ashing method for the determination of the total soil sulfur, but there are a large number of organic sulfur in the ash evaporation and loss, while using barium chloride as a precipitating agent gravimetric method at the time of determination Procedures annoying locks, especially for soil samples with low sulfur content, can not get satisfactory results. Foreign countries have reported burning method of determination of minerals and metallurgical materials