Solubilition Test - تاریخ: 1396/10/4 ساعت: 2:33
Water SolubilityAdd approximately 6 drops of water to the test tube containing your unknown. Shake the tube and/or stir with a glass stirring rod. A soluble unknown will form a homogeneous solution with water, while an insoluble liquid will remain as a separate phase. A liquid which is soluble in wa...
Alcohol Test - تاریخ: 1396/10/4 ساعت: 2:33
sodium test The sodium fusion test is used in elemental analysis for the qualitative determination of the presence of halogens, nitrogen and sulphur in an organic compound. It was developed by J. L. Lassaigne.[1] The test involves heating the sample strongly with clean sodium metal, "fusing" it with...
The derivative of alcohol - تاریخ: 1396/10/4 ساعت: 2:33
3and 5. di nitro benzoic acid derivative of the common alcohols, ethers and is phenyl polyurethane. Alpha-naphthyl polyurethane may also be used, but this test is used for more phenols Preparation of 3 and 5 Diy nitro benzoate: A combination of 3 and 5 January Nytrvbnzvyyl chloride with alcohol, the...
آزمایش شماره1 - تاریخ: 1396/9/12 ساعت: 12:50
Water SolubilityAdd approximately 6 drops of water to the test tube containing your unknown. Shake the tube and/or stir with a glass stirring rod. A soluble unknown will form a homogeneous solution with water, while an insoluble liquid will remain as a separate phase. A liquid which is soluble in wa...
آزمایش شماره 2 - تاریخ: 1396/9/12 ساعت: 12:50
sodium test The sodium fusion test is used in elemental analysis for the qualitative determination of the presence of halogens, nitrogen and sulphur in an organic compound. It was developed by J. L. Lassaigne.[1] The test involves heating the sample strongly with clean sodium metal, "fusing" it with...
آزمایش شماره 3 - تاریخ: 1396/9/12 ساعت: 12:50
3and 5. di nitro benzoic acid derivative of the common alcohols, ethers and is phenyl polyurethane. Alpha-naphthyl polyurethane may also be used, but this test is used for more phenols Preparation of 3 and 5 Diy nitro benzoate: A combination of 3 and 5 January Nytrvbnzvyyl chloride with alcohol, the...
Identification of phenol, ferric chloride - تاریخ: 1396/9/12 ساعت: 12:50
Identification of phenol, ferric chloride Identification of phenol are ferric chloride ferric chloride: test-diaminopyridine-diaminopyridine: This test in order to identify phenol to work. phenol are usually solved in not solving the acid and are therefore in the Group A2. Add some alpha-naphthol to...
identify Aldehid and Keton - تاریخ: 1396/9/12 ساعت: 12:50
Aldehydes Compounds with general formula RCHO and ketones are compounds with the general formula RRCO. Both groups have a carbonyl group that performs similar reactions. In fact, the chemistry of these compounds is the chemistry ofthe carbonyl functional group. Due to the electron and spatial factor...
Identify Carboxylic acids , amines and amino acids - تاریخ: 1396/9/12 ساعت: 12:50
Identify Carboxylic acids , amines and amino acids Carboxylic Acids: Determination of Equivalent Weight (or Neutralization Equivalent) Molecular Weight DeterminationGenerally, any acid (or base) can be titrated using standard solutions of base (or acid). The neutralization equivalent obtained is usu...
Chromatography - تاریخ: 1396/9/12 ساعت: 12:50
Thin-layer (TLC)is a chromatographic technique that is useful for separating organic compounds. Because of the simplicity and rapidity of TLC, it is often used to the progress of organic reactions and to check the purity of . Method Thin-layer consists of a stationary phase immobilized on a or plast...
identify of aliphatic hydrocarbons aromatic halides alkanes alkenes - تاریخ: 1396/9/12 ساعت: 12:50
Alkin identify bromine solution in carbon tetrachloride Reaction : Mechanism: Physical properties: colorless reaction environment. Chemical properties: Generally, two types of reactions on alkenes is done. The first category are those that are done in the π bond, so the π bond is destroyed and new b...