It turns out that experiment result with anhydrous pyridine as solvent is closer to weightlessness method.So it is better to determine the water in ery...

• 结果表明,以无水吡啶为溶剂测定的结果更接近干燥失重法的测定结果,在测定红霉素碱的水分时,以选择无水吡啶为宜。