ISO 619-1981 锰矿石 铬含量的测定 二苯卡巴肼光度法和过硫酸银滴定法

标准号：ISO 619-1981
中文标准名称：锰矿石 铬含量的测定 二苯卡巴肼光度法和过硫酸银滴定法
英文标准名称：Manganese ores; Determination of chromium content; Diphenylcarbazide photometric method and silver persulphate titrimetric method
标准类型：D32
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：D32
国际标准分类号：73.060.20
适用范围：Method I is applicable to manganese ores having chromium contents less than 0.1 % (m/m), method II is applicable to manganese ores having chromium contents greater than 0.1 % (m/m). This second edition cancels and replaces the first edition (i.e. ISO 619-1975). Should be read in conjunction with ISO 4297.