Chemical test
From Wikipedia, the free encyclopedia
In chemistry, a chemical test is qualitative or semi-quantitative procedure designed to prove the existence of a chemical compound or chemical group with the aid of a specific reagent.
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[edit] Biochemical tests
- Clinistrips quantitatively test for sugar in urine
- The Kastle-Meyer test tests for the presence of blood
- Salicylate testing is a category of drug testing that is focused on detecting salicylates such as acetysalicylic acid for either biochemical or medical purposes.
- Iodine solution tests for starch
- The Van Slyke determination tests for specific amino acids
- The Zimmermann test for Ketosteroids
[edit] Reducing sugars
- Barfoed's test tests for reducing monosaccharides or disaccharides
- Benedict's reagent tests for reducing sugars or aldehydes
- Fehling's solution tests for reducing sugars or aldehydes, similar to Benedict's reagent
[edit] Proteins and polypeptides
- The Bicinchoninic acid assay tests for proteins
- Biuret reagent tests for proteins and polypeptides
- Bradford protein assay measures protein quantitatively
[edit] Organic tests
- The Carbylamine reaction tests for primary amines
- The Greiss test tests for organic nitrite compounds
- The Iodoform reaction tests for the presence of methyl ketones, or compounds which can be oxidized to methyl ketones
- The Schiff test detects aldehydes
- Tollens' reagent (Silver Mirror) tests for aldehydes
- The Zeisel determination tests for the presence of esters or ethers
- Lucas' reagent is used to determine mainly between primary, secondary and teriary alcohols.
[edit] Inorganic tests
- Barium chloride tests for sulfates
- The Beilstein test tests for halides qualitatively
- Borax bead test tests for certain metals
- The Carius halogen method measures halides quantitatively
- Chemical test for cyanide tests for the presence of cyanide, CN-
- Copper sulfate tests for presence of water
- Flame tests test for metals
- The Gilman test tests for the presence of a Grignard reagent
- The Kjeldahl method quantitatively determines the presence of nitrogen
- Nessler's reagent tests for the presence of ammonia
- Ninhydrin tests for ammonia or primary amines
- The sodium fusion test tests for the presence of nitrogen, sulfur, and halides in a sample
- The Zerewitinoff determination tests for any acidic hydrogen