本產(chǎn)品是固體動(dòng)植物油經(jīng)水解后加工精制的硬脂酸。1.質(zhì)量標(biāo)準(zhǔn)表1-87硬脂酸的質(zhì)量標(biāo)準(zhǔn)(QB523-66)名稱一級(jí)二級(jí)三級(jí)四級(jí)碘值不大于皂化值凝固點(diǎn)(℃)水分(%)灰分(%)無機(jī)酸(%)2206~21154~570.20.030.0014205~220>540.20.030.0018200~220>520.20.0 (共 450 字) [閱讀本文] >>