①乙醚粘度小易掉液,吸取上层溶液前需将枪头在上层溶液中缓慢润洗1-2次后再进行移液;乙醚易挥发,将上层溶液加入比色皿后应尽快完成吸光值测定;
②若A测定和∆A超出标准吸光值线性范围:高于最高值建议将上层溶液使用乙醚适当稀释后再进行测定;低于最低值建议适当延长酶促反应时间或增加样本量后再进行测定,计算时相应修改;
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