rt，每次称取的0.25g靛蓝胭脂红，用的有证的硫代硫酸钠标定，3天标定了3次，标定值分别为39.56ug/ml，41.89ug/ml，40.31ug/ml。做出来的标曲斜率就是打不到标准要求0.863~0.935，下面是我3天标定的标曲
[img=,690,143]https://ng1.17img.cn/bbsfiles/images/2017/04/201704281610_01_3226507_3.png[/img]
[img=,690,156]https://ng1.17img.cn/bbsfiles/images/2017/04/201704281611_01_3226507_3.png[/img][img=,690,162]https://ng1.17img.cn/bbsfiles/images/2017/04/201704281611_02_3226507_3.png[/img]