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4. Thin layer chromatographic identification of preservatives in food. Tjan GH; Konter T J Assoc Off Anal Chem; 1972 Nov; 55(6):1223-5. PubMed ID: 4669107 [No Abstract] [Full Text] [Related]
5. Gas chromatographic determination of preservatives in food. Gosselé JA J Chromatogr; 1971 Dec; 63(2):429-32. PubMed ID: 5160852 [No Abstract] [Full Text] [Related]
6. Chromatography of food preservatives on polyamide layers and columns. Nagasawa K; Yoshidome H; Takeshita R J Chromatogr; 1969 Sep; 43(4):473-9. PubMed ID: 5822148 [No Abstract] [Full Text] [Related]
7. [Chromatography on polyamide. A survey. 3. Identification reactions on polyamide-thin-layer plates, documentation of these plates]. Zawta B; Hölzel W Pharmazie; 1968 Jun; 23(6):296-300. PubMed ID: 4887335 [No Abstract] [Full Text] [Related]
8. [Chromatography on polyamide. A survey. 2. Application possibilities of polyamide as a sorbent in chromatography]. Zawta B; Hölzel W Pharmazie; 1968 May; 23(5):236-9. PubMed ID: 4887332 [No Abstract] [Full Text] [Related]