EHL

Description

Quiz on EHL, created by Joana Abrantes on 25/09/2016.
Joana Abrantes
Quiz by Joana Abrantes, updated more than 1 year ago
Joana Abrantes
Created by Joana Abrantes about 8 years ago
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Resource summary

Question 1

Question
Cálculo do EHL de um emulgente não iónico: CH3(CH2)16CH2(OCH2CH2)3OH
Answer
  • Parte hidrófila: CH2(OCH2CH2)3OH
  • Parte hidrófila: (OCH2CH2)3OH
  • EHL = PMparte hidrófila/ PM total * 100/5
  • EHL = PM total/PMparte hidrófila * 100/5
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