在一般的岩石分析中,钛铁两元素均系常测项目之一。由于它们的含量都不太高,故过去在方法的选择上,对于钛大多是采用过氧化氫比色。而铁的测定,虽然是长期以来比较广泛地应用着硫氰酸盐比色法和磺基水杨酸比色法,但近年来由于氨羧络合剂在分析 In the general rock analysis, two elements of titanium are one of the often measured items. Because of their content is not too high, so in the past in the choice of methods, mostly for titanium hydrogen peroxide colorimetric. The determination of iron, though it has long been more widely used thiocyanate colorimetry and sulfosalicylic acid colorimetric method, but in recent years due to the analysis of ammonia carboxylaxing agent