전문 번역가, 번역 회사, 웹 페이지 및 자유롭게 사용할 수 있는 번역 저장소 등을 활용합니다.
de methanol-waterfracties verzamelen en de ph op 9 brengen door toevoeging van natrionloog 1n; de controle geschiedt met behulp van fenolftalëine.
collect the methanol-water fractions and titrate to ph 9 with 1n sodium hydroxide in the presence of phenol-phthalein.