ZB 21003-1990 煤系硫铁矿及硫精矿中总碳量的测定方法

ZB 21003-1990 The determination of total carbon content in coal-related sulfide ore and sulfur concentrate is as follows: "Total carbon content in coal-related sulfide ore and sulfur concentrate is determined using a method that involves heating the sample in a muffle furnace and measuring the amount of carbon dioxide evolved during the process."