磷酸氢二钾,Potassium phosphate dibasic;ACS reagent, ≥98%
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氯己定 [洗必泰],Chlorhexidine;Pharmaceutical Secondary Standard; Certified Reference Material -
2,6-二氨基甲苯,2,6-Diaminotoluene;97% -
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二甲基亚砜,Dimethyl sulfoxide [DMSO];anhydrous, ≥99.9% -
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硫化铵溶液,Ammonium sulfide solution;20% in H2O
