

①试剂二配制后有效期较短,附赠一瓶作为备用,每瓶均可满足至少30个样本的检测用量;
②标准品处理温度应与样品处理温度保持一致,45℃(植物样本)或100℃(其他样本);若同时测定多种类型的样本,应分别制备两种温度处理的标准曲线,不同类型样本带入对应标曲计算结果;
③若A532测定吸光值超出标曲吸光值线性范围:高于最高值建议将待测样本适当稀释后再进行测定;低于最低值建议适当延长加热反应时间(可延长至90 min)或适当增加样本量后再进行测定,计算时相应修改;
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