ISO 2596 Iron ores - Determination of hygroscopic moisture in analytical samples - Gravimetric, Karl Fischer and mass-loss methods
ISO 7335 Iron ores - Determination of combined water content - Karl Fischer titrimetric method
JIS M8211 铁矿石-化合水定量方法
在氮气气流中将试样加热于105℃以去除吸湿水后,继续加热于950℃,以乙二醇(Ethylene glycol)吸收所游离之结合水,使用卡尔费休试药溶液实施电滴定