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关于phenolphthalein的百科

phenolphthalein造句怎么写
  • phenolphthalein造句怎么写

  • ShanxiLiuqingPharmaceuticalCo.,LtdistheLargestphenolphthaleinmanufacturingfactoryinChina.Produce1000tonsofphenolphthalein,yellowphenolphthaleinis1000tonsperyear.Acidcalibrationpotassiumhydroxide,tophenolphthaleinasindicator.Objective:Tosetupamethodfo...
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Phenolphthalein是常用*碱指示剂,其结构如图所示。有关该有机物说法正确的是A.分子式为C20H1...