Determination of gibberellic acid in fertilizer—High performance liquid chromatography-mass spectrometry method
全国肥料和土壤调理剂标准化技术委员会(SAC/TC 105)
本标准规定了用高效液相色谱三重四级杆串联质谱法测定肥料中赤霉酸的含量。
本标准适用于水溶肥料、复混肥料(复合肥料)、掺混肥料等肥料中赤霉酸含量的测定。
本方法赤霉酸的检出限为0.1 mg/kg，定量限为0.5 mg/kg。
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