Chinese Standard: GB/T 8570.7-2010

Determination of liquefied anhydrous ammonia—Part 7:Iron content—o-Phenathroline spectrophotometric method

NEQ  ISO 6685:1982

全国肥料和土壤调理剂标准化技术委员会(SAC/TC 105)

GB/T 8570的本部分规定了采用邻菲啰啉分光光度法测定液体无水氨的铁含量。
本部分适用于液体无水氨的铁含量的测定。

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