Recrystallisation practical technique by helen brown https://padlet.com/helen_p_brown/85uofesmn61o Understand how to complete the purification practical using recrystallisation en-us 2018-03-29 17:39:25 UTC 2024-11-20 11:28:27 UTC hello@padlet.com Recrystallisation of benzoic acid - purification helen_p_brown https://padlet.com/helen_p_brown/85uofesmn61o/wish/247346838 Watch this video explaining the technique of recrystallisation ]]> 2018-03-29 17:40:51 UTC https://padlet.com/helen_p_brown/85uofesmn61o/wish/247346838 The practical method helen_p_brown https://padlet.com/helen_p_brown/85uofesmn61o/wish/247349425 Read through the method for the practical (Page 1 and 2) and then go back to the video. Match the steps in the practical to the steps in the video. Which step is missing from our method? ]]> 2018-03-29 17:47:47 UTC https://padlet.com/helen_p_brown/85uofesmn61o/wish/247349425 Risk Assessment helen_p_brown https://padlet.com/helen_p_brown/85uofesmn61o/wish/247355526 What are the risks and how can they be controlled? Draw a table, then check back to the practical method section on risks. Did you miss anything?]]> 2018-03-29 18:03:33 UTC https://padlet.com/helen_p_brown/85uofesmn61o/wish/247355526 Determining the melting point helen_p_brown https://padlet.com/helen_p_brown/85uofesmn61o/wish/247356886 Watch this video on the use of the melting point apparatus]]> 2018-03-29 18:07:08 UTC https://padlet.com/helen_p_brown/85uofesmn61o/wish/247356886 Extension - Hot filtration helen_p_brown https://padlet.com/helen_p_brown/85uofesmn61o/wish/247358416 Watch this video - how is this different from the method we are using? How is it similar]]> 2018-03-29 18:11:08 UTC https://padlet.com/helen_p_brown/85uofesmn61o/wish/247358416 Factors affecting the purity of products of recrystallisation helen_p_brown https://padlet.com/helen_p_brown/85uofesmn61o/wish/247361350 Read the powerpoint slides about Practical 1 and make notes on the theory behind recrystallisation and the factors affecting the purity of the recrystallised product]]> 2018-03-29 18:19:29 UTC https://padlet.com/helen_p_brown/85uofesmn61o/wish/247361350 Extension 2 - crystallisation or recrystallisation helen_p_brown https://padlet.com/helen_p_brown/85uofesmn61o/wish/247362101 Watch the video and explain the differences between the techniques of crystallisation and recrystallisation]]> 2018-03-29 18:21:47 UTC https://padlet.com/helen_p_brown/85uofesmn61o/wish/247362101