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hóa chất vkcf-956

  1. jajakk123

    Toàn quốc hóa chất diethylene triamine penta methylene phosphonic acid

    hóa chất Diethylene Triamine Penta methylene phosphonic acid DTPMPA SPECIFICATION Molecular Formula：C9H28O15N3P5 Molecule Weight：573 Typical Active Content：50+/-1% Appearance：Clear, Dark amber solution pH (1% solution)：< 2.0 Specific gravity(20℃ )：1.40+/-0.05 Phosphorous acid (asPO33-)...
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