

①试剂一和试剂二具有强腐蚀性,操作时注意做好防护措施;
②试剂一配制后有效期较短,为便于安排实验时间,附赠一瓶试剂一作为备用,每瓶均可完成至少100个样本的测定,可根据实际情况现用现配;
③若A测定或ΔA测定超出标准吸光值线性范围:高于最高值建议将待测样本使用蒸馏水适当稀释后再进行测定;低于最低值建议适当增加样本量重新提取后再进行测定,计算时相应修改;
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