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33:10 Lab Notes – Fundamental Mechanistic Insight and New Catalysts for Making Sodium – Nov 30th 2018 Science · November 30, 2018 6 625 6 169
05:18 Getting Guanidine Carbonate and Hydrochloride from No-Lye Hair Relaxants Science · August 26, 2017 31 050 4 179
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12:11 Make Chlorotoluene (mixture of isomers) 1st step in making Pyrimethamine Science · April 26, 2016 62 400 527 188
09:58 REUPLOAD – Make 2-(p-chlorophenyl)-3-oxopentanenitrile – Step 5 in Pyrimethamine Synthesis Science · August 26, 2017 16 975 2 192
07:56 Purifying and Drying Diethyl Ether For Grignard Reactions Using Potassium Hydroxide and Sodium Science · January 27, 2018 41 975 193
02:07 Make a Glow Stick with Real Chemicals – 10th Anniversary Science · January 10, 2019 20 950 16 195
07:36 Make a Chemical Garden From Cat Litter, Drain Opener, and Root Killer Science · November 29, 2019 15 375 196
06:12 Make sulfuric acid from water and sulfur (electrobromine process) Science · June 27, 2015 263 700 144 199
08:04 Drying Alcohol Using Magnesium and Molecular Sieves Science · November 26, 2015 131 825 338 200