Question: PLEASE ANSWER IT ASAP FOR AN UPVOTE. THANK YOU. Which of the following drugs given are positive in SULFUR TEST? Explain how these drugs could
PLEASE ANSWER IT ASAP FOR AN UPVOTE. THANK YOU.
Which of the following drugs given are positive in SULFUR TEST? Explain how these drugs could be positive in that test? PLEASE PUT references you used in finding out their results.

PLACE A CHECK MARK TO YOUR ANSWERS.

Test for Sulfur Mix 0.2g each of the samples with 0.5g each of potassium nitrate and sodium carbonate in a crucible. Heat until oxidation is completed. Allow the mass to cool then dissolve in about 20 mL of distilled water. Acidify the solution using dilute nitric acid then divide the solution into two portions. To the second portion, test for phosphorous by adding 3 to 5 drops of ammonium molybdate T.S. Observe for the formation of precipitate in both solutions. First portion: Test for Sulfur Positive: Formation of a White Precipitate To the first portion, test the presence of sulfur by adding 3 to 5 drops of barium chloride T.S. B Add a few drops of barium chloride or barium nitrate solution If sulfate ions are present a white precipitate will form. Ba?'(aq) 50,2-(aq) BaSO4(s) Without acid, this test will also detect the presence of SO;2- ions, though they are outside the range of this course, Test for Sulfur Paracetamol Sulfamerazine Aspirin Caffeine Chlorobutanol Barbital Na +
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