Chii chinonzi Hydroxyethyl cellulose? Hydroxyethyl cellulose (HEC) ichena kana yakareruka yero, isina kunhuhwirira, isina-chepfu fibrous kana upfu yakasimba, yakagadzirwa ne etherification reaction yealkaline cellulose uye ethylene oxide (kana chlorohydrin). 1.Instructions 1.1 yakawedzerwa zvakananga panguva yekugadzira 1. Wedzera yakachena ...
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