m3303770
第6楼2017/11/09
这样一说我重新看了下文献,发现是我自己理解错了,因为文献中往往都是提到将一连串的试剂加入离心管,并没有提到加入顺序,我就默认为是需要按文中说的顺序加了,例如《An effective method for pesticide residuesd etermination in tobaccoby gc-MS/MS and UHPLC-MS/MS employing acetonitrile extraction with
low-temperature precipitation and d-SPEclean-up》
提到After this
step, 4 g of MgSO4, 1 g of NaCl,1 g of C6H3Na3O7 2H2O and 1 g of
C6H6Na2O70.1 5H2O wereadded