mobile phase, methanol and water, and the proportion of bufferin, Tylenol and saridon were ∶8, ∶7 and ∶7 respectively;
mobile phase, methanol and water, and the proportion of bufferin, Tylenol and saridon were ∶8, ∶7 and ∶7 respectively;
以甲醇-水为流动相,其比例对于百服宁、泰诺和散利痛分别为8∶, ∶7和 ∶7;