Secondary ion mass spectra of diquaternary ammonium salts.

[1]  M. L. Parsons,et al.  Rapid analysis of chlorinated dioxins in complex organic mixtures by application of a gas chromatography-mass spectometry-calculator system with user-developed software , 1980 .

[2]  A. Benninghoven,et al.  Investigation of non-volatile organic substances in biological samples by secondary ion mass spectrometry (SIMS) , 1980 .

[3]  Gary A. Eiceman,et al.  Analysis of fly ash from municipal incinerators for trace organic compounds , 1979 .

[4]  T. Nestrick,et al.  Synthesis and identification of the 22 tetrachlorodibenzo-p-dioxin isomers by high performance liquid chromatography and gas chromatography , 1979 .

[5]  C. Pfeiffer,et al.  Chemical reactivation of silica columns , 1979 .

[6]  R. J. Day,et al.  Ionization of quaternary nitrogen compounds by secondary ion mass spectrometry , 1979 .

[7]  R. Ullmann.  Sekundärionenmassenspektrometrische Untersuchungen an dünnen Filmen aus organischen Ammoniumsalzen auf Edelmetallen , 1979 .

[8]  H. Buser.  Formation and identification of tetra- and pentachlorodibenzo-p-dioxins from photolysis of two isomeric hexachlorodibenzo-p-dioxins , 1979 .

[9]  L. A. Shadoff,et al.  Determination of pentachlorophenol, hexachlorodibenzo-p-dioxin, and octachlorodibenzo-p-dioxin in bovine milk. , 1978, Journal of agricultural and food chemistry.

[10]  C. Poole,et al.  Determination of di-(2-ethylhexyl)phthalate in human placenta. , 1977, Journal of chromatography.

[11]  J. Mcintosh,et al.  Field desorption mass spectrometry of phosphonium halides , 1975 .

[12]  D. Peel.  Organochlorine residues in Antarctic snow , 1975, Nature.

[13]  H. Buser,et al.  Determination of 2,3,7,8-tetrachlorodibenzo-1,4-dioxin at parts per billion levels in technical-grade 2,4,5-trichlorophenoxyacetic acid, in 2,4,5-T alkyl ester and 2,4,5-T amine salt herbicide formulations by quadrupole mass fragmentography. , 1974, Journal of chromatography.

[14]  F. P. Boer,et al.  Preparation and structure of 2,3,7,8-tetrachlorodibenzo-p-dioxin and 2,7-dichlorodibenzo-p-dioxin , 1972 .

[15]  A. Bevenue,et al.  Problems in water analysis for pesticide residues. , 1971, Journal of chromatography.

[16]  R. Amos.  Improved procedures for handling thin-layer chromatographic spots , 1970 .