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cis and trans cyclohexa-1,4-diene derivatives. Ammonia and methane chemical ionization mass spectrometry

✍ Scribed by Isidoro Barba; Francisco Alonso; Rafael Chinchilla; Cecilia Gómez


Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
152 KB
Volume
24
Category
Article
ISSN
1076-5174

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✦ Synopsis


OMS Letters

Dear Sir cis and trans Cyclohexa-l,4dieoe Derivatives. Ammonia and Methane Chemical Ionization Mass Spectrometry


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Ion–molecule reactions of cis- and trans
✍ Zhili Li; Shuying Liu; Fengrui Song; Zhiqiang Liu; Yu Zhou 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 127 KB 👁 2 views

Ion-molecule reactions of four isomeric cyclopropane derivatives were investigated under chemical ionization(CI) conditions, using methane, acetone and vinyl acetate as reagent gases. The methane positiveion CI mass spectra of each of two isomer pairs 1,2 and 3,4 are identical, and so are the collis