thallium sulfate

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a colorless, crystalline, water-soluble, poisonous solid, Tl2SO4, used chiefly as an insecticide and rodenticide.

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Question 1 of 12

On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

Magnesium sulfate has been around since 1906 and has since been proven to be a superior medication.
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If sulfurous acid is present, it will be oxidized to sulfuric acid and precipitated as barium sulfate by the barium chlorid.
Detection of the Common Food Adulterants|Edwin M. Bruce
A white precipitate of barium sulfate will form if sulfuric acid is present.
Detection of the Common Food Adulterants|Edwin M. Bruce
Ash a portion of the sample and make the usual qualitative tests for calcium sulfate.
Detection of the Common Food Adulterants|Edwin M. Bruce

It should be filtered when not clear or when crystals of ammonium or potassium sulfate are formed.
Detection of the Common Food Adulterants|Edwin M. Bruce
Sulfates may be detected by adding barium chlorid to the aqueous solution of the honey and precipitating barium sulfate.
Detection of the Common Food Adulterants|Edwin M. Bruce