0引言虽然GB/T176—2008《水泥化学分析方法》已发布多年,一些厂家还是习惯用氯离子测定仪(代用法)测定氯离子的含量,一方面是操作习惯的原因;另一方面是因为基准法(硫氰酸铵容量法)需要真空泵等抽滤设备,而且,由于普通的抽滤瓶瓶壁厚且带绿色,影响终点颜色的观察,导致试验结果产生误差。而笔者原工作单位东莞华润水泥厂有限公司因产品出口 0 Introduction Although GB / T176-2008 “cement chemical analysis method” has been released for many years, some manufacturers are still accustomed to determination of chloride ion content (alternative method) chloride content, on the one hand is the reason for the operation habits; the other hand because The reference method (ammonium thiocyanate volumetric method) requires suction filtration equipment such as a vacuum pump. Moreover, due to the fact that ordinary bottle bottles have a thick wall with a green color and affect the color of the end point, the test results are not accurate. The author of the original work unit Dongguan China Resources Cement Co., Ltd. exports