目前国内在钢铁分析中,越来越多的部门采用非水滴定法。应用此法,国内外多采用百里香酚兰-百里香酚酞混合指示剂显示终点。也有单独采用百里香酚酞作指示剂的。用这两种指示剂显示终点。其滴定终点都是由蓝色变为淡兰色。测定过程中,调整好终点后,凭记忆记住淡兰色的深 At present, in domestic steel analysis, more and more departments adopt non-water titration method. Application of this method, at home and abroad to use more thyme phenol blue - thyme phenolphthalein mixed indicator shows the end. Thymolphthalein alone is also used as an indicator. Use both indicators to show the end point. The end of titration changes from blue to light blue. Determination of the process, adjust the finish, remember the memory of light blue deep