| 4055637 |
Tsuda T, Nakanishi H, Morita T, Takebayashi J: Simultaneous gas chromatographic determination of carboxylic acids in soft drinks and jams. J Assoc Off Anal Chem. 1985 Sep-Oct;68(5):902-5.
Sorbic acid, dehydroacetic acid, and benzoic acid were extracted with ethyl ether-petroleum ether (1 + 1), and determined on a 5% DEGS + 1% H3PO4 column. |
6(0,0,1,1) |
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| 18839542 |
Xin R, Ding M, Zheng X, Li Y: [Compound preservative and cyclamat determinated by gas chromatography] . Wei Sheng Yan Jiu. 2008 Jul;37(4):498-501.
The interference of the complicated foundation body in the cake and pastry was removed by the best dialysis condition: 2 g/L NaOH of dialysis fluid was dialyzed at the temperature of 25 degrees C for 24h, and the six preservatives and cyclamat (sorbic acid, benzoic acid, dehydroacetic acid, ethylparabenum, propylparabenum, butylparabenun and sodium cyclamate) were synchronously seperated by 60-80 mesh Chromosorb WAW DMCS glass packing column of intercoated 5% DEGS + 1% H3 PO4. |
6(0,0,1,1) |
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