FIELD: analytical chemistry. SUBSTANCE: an aliquot of the sample under test is treated with a layer reagent, and if the reaction probes to be positive, a new aliquot of the potassium carbonate sample under test is treated with chloroform, the chloroform layer is separated, the latter is treated with 10% formaldehyde solution in concentrated sulfuric acid which turns violet if morpholines are present, third aliquot of the sample under test is treated with a suspension of fast blue 4-amino-2,5-diethoxybenzanilide in n-heptane or a mixture of saturated alicyclic liquid hydrocarbons and a potassium carbonate solution to form a red-orange hydrocarbon bed if cannaboids are present. EFFECT: enhanced efficiency.
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| METHOD OF PROXIMITY DETECTION OF HEROIN |
1998 |
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| SPECTROPHOTOMETRIC METHOD FOR QUANTITATIVE DETERMINATION OF SODIUM O- [(2,6-DICHLOROPHENYL)AMINO]PHENYLACETATE IN PRESENCE OF POLYMER WATER-SOLUBLE COMPONENTS OR IN COMMON PRESENCE THEREOF AND SUBSTANCES CONTAINING PHENYL RESIDUE IN DRUG COMPOSITIONS |
1994 |
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- Ukolova Zh.I.
|
RU2087902C1 |
| PROCESS FOR PREPARING 5-(2,5-DIMETHYLPHENOXY)-2,2-DIMETHYLPENTANIC ACID |
1990 |
- Glushkov R.G.
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SU1804716A3 |
| 11β-ACYLOXY-17α- HYDROPEROXY-16α- METHYLPREGNANES SHOWING LOCAL ANTIINFLAMMATORY ACTIVITY |
1991 |
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RU2030421C1 |
| 3-PHENYL-10H-4,5-DIHYDROPYRAZOLO[4,3-A]CARBAZOLE SHOWING ANTITUMOR AND ANTILEUKEMIC ACTIVITY |
1991 |
- Sokolova A.S.
- Bogomolova N.S.
- Romanova O.B.
- Granik V.G.
|
RU2007394C1 |
| PROCESS FOR PREPARING 2,6-DICHLORODIPHENYLAMINE |
1992 |
- Rjabova S.Ju.
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- Kuzovkin V.A.
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- Levina V.I.
- Shvedov V.I.
- Granik V.G.
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RU2061676C1 |
| 4-ACETYL -7- BROMOIMIDAZO -[4,5-B] -INDOLE -2-THIONE SHOWING CAPABILITY TO RECOVERY WORKING CAPACITY, AND A METHOD OF ITS SYNTHESIS |
1991 |
- Velezheva V.S.
- Mel'Man A.I.
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RU2024525C1 |
| N-PHOSPHORYLATED DERIVATIVES OF 3-β- PHENYLISOPROPYLSYDNONEIMINE SHOWING ANTITUMOR ACTIVITY |
1991 |
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| METHOD OF SYNTHESIS OF 1-(2′-CYANOETHYL) -4- METHOXY -5- AMINO -6- THIO -1,6-DIHYDROPYRIMIDINE |
1992 |
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RU2035454C1 |
| METHOD OF 2-ALKYLAMINOMETHYLENE-3,9-DIOXOPYRROLO(1,2-A)INDOLES SYNTHESIS |
0 |
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SU1735285A1 |
