𝔖 Bobbio Scriptorium
✦   LIBER   ✦

High-pressure DTA apparatus with liquid or gaseous pressure medium

✍ Scribed by Osamu Yamamuro; Masaharu Oguni; Takasuke Matsuo; Hiroshi Suga

Book ID
103417608
Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
766 KB
Volume
99
Category
Article
ISSN
0040-6031

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The gas chromatography of the heptafluorobutyryl derivatives of carbofuran, 3-ketocarbofuran and 3-hydroxycarbofuran is examined with electrolytic conductivity detection (halogen mode). The reaction consists of heating the compounds with heptafluorobutyric anhydride in the presence of trimethylamine