介绍一种快速精确的测定还原染料轧染汽蒸液中保险粉浓度的方法，即铁氢化钾滴定法。
A rapid method for determining the content of sodium hydrosuphite in vat steam was undertaken via potassium ferricyanide titration.
方法用硝酸钍滴定法、测铁分光光度法、测磷分光光度法及高压液相色谱法对不同样品植酸含量进行测定。
Methods The samples of phytic acid were determined with thorium nitrate titration, ferric spectrophotometry, phosphorus spectrophotometry and high performance liquid chromatography respectively.
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