Chemical test

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. A presumptive test is specifically used in medical science.

Additional recommended knowledge

Recognize and detect the effects of electrostatic charges on your balance

Daily Sensitivity Test

Daily Visual Balance Check

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
• Seliwanoff's_test for differentiating between aldose and ketose sugars

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

Proteins and polypeptides

• The Bicinchoninic acid assay tests for proteins
• Biuret reagent tests for proteins and polypeptides
• Bradford protein assay measures protein quantitatively

Organic tests

• The Carbylamine reaction tests for primary amines
• The Griess 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.

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