We always make our NTMT the day we use it because the magnesium chloride
precipitates sometimes. No idea why it precipitates sometimes and not
others, maybe temperature of the room? Maybe the reagent precipitates as it
We find it easier not to use a magnesium chloride stock solution--just add
the MgCl2 directly to the final solution.
Remember our war hysteria, when we called sauerkraut 'Liberty cabbage' and
somebody actually proposed calling German measles, 'Liberty
measles?'...Remember when the hick legislators in certain states, in
obedience to William Jennings Bryan, who learned his biology from his pious
old grandma, set up shop as scientific experts and made the whole world
laugh itself sick by forbidding the teaching of evolution?
--Sinclair Lewis, It Can't Happen Here, 1935
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