Awọn ọja

  • Span

    Igba

    I.Overview Sorbitan ọra acid ester (Span) jẹ iyalẹnu ti kii-ionic nipa awọn ẹgbẹ acids fatty gẹgẹbi apakan hydrophobic ati awọn ẹgbẹ sorbitan bi apakan hydrophilic. Polyoxyethylene (20) sorbitan fatty acid ester (Tween) jẹ onija ti kii ṣe ionic nipa awọn ẹgbẹ acids fatty gẹgẹbi apakan hydrophobic ati awọn ẹgbẹ sorbitan polyethylene glycol ether bi apakan hydrophilic. Ⅱ. Awọn iṣedede Didara (Polysorbate-80 yoo faramọ Standard CP2015, ati awọn jara miiran yoo faramọ Standard USP32) ...