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2. Assay of major and minor constituents of opium samples and studies of their origin. Narayanaswami K; Golani HC; Dua RD Forensic Sci Int; 1979 Nov; 14(3):181-90. PubMed ID: 511051 [TBL] [Abstract][Full Text] [Related]
3. Determination of morphine in raw opium, opium tincture and other opiate preparations by gas-liquid chromatography. Analyst; 1978 Mar; 103(1224):268-83. PubMed ID: 646119 [No Abstract] [Full Text] [Related]
4. Microchemical investigation of medicinal plants. XI. Identification of morphine and codeine in opium using GC/MS. Weber JM; Ma TS Mikrochim Acta; 1975; (4-5 Pt 2):401-5. PubMed ID: 1196153 [No Abstract] [Full Text] [Related]
5. [GC/MS demonstration of opium alkaloids in opium preparations (in connection with an on-line linked small computer)]. Arnold W Beitr Gerichtl Med; 1974; 32():199-205. PubMed ID: 4468784 [No Abstract] [Full Text] [Related]
6. Differentiation and comparison of raw, prepared and dross opium. Lim HY; Kwok SF Bull Narc; 1981; 33(1):31-41. PubMed ID: 6913414 [TBL] [Abstract][Full Text] [Related]
7. Quantitative gas chromatographic determination of the major alkaloids in gum opium. Furmanec D J Chromatogr; 1974 Feb; 89(1):76-9. PubMed ID: 4815968 [No Abstract] [Full Text] [Related]
8. [Densitometric identification of opium alkaloids following their separation by thin-layer chromatography]. Chichiro VE; Kostennikova ZP; Mekhtikhanov SD Farmatsiia; 1971; 20(6):37-42. PubMed ID: 5155017 [No Abstract] [Full Text] [Related]
9. [The separation of opium alkaloids by means of ion exchangers]. Büchi J; von Moos R Pharm Acta Helv; 1966 Mar; 41(3):143-63. PubMed ID: 5982957 [No Abstract] [Full Text] [Related]
11. [Application of gas phase chromatography to the identification of heroin and morphine in products of drug traffic]. Viala A; Gouezo F; Catalin J; Cano JP Eur J Toxicol; 1971; 4(5):375-84. PubMed ID: 5170124 [No Abstract] [Full Text] [Related]
12. [Direct quantitative evaluation of thin-layer chromatography with remission and fluorescence determinations. 3. Determination of morphine, codeine, thebaine, papaverine and narcotine in opium with remission measurement]. Röder K; Eich E; Mutschler E Arch Pharm Ber Dtsch Pharm Ges; 1971 Apr; 304(4):297-306. PubMed ID: 5281058 [No Abstract] [Full Text] [Related]
13. A critical comment on the determination of morphine in opium in the Dutch Pharmacopoeia, 6th edition, 2d printing. Porsius AJ Pharm Weekbl; 1971 Nov; 106(48):885-9. PubMed ID: 5160909 [No Abstract] [Full Text] [Related]