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Author:Chau, A.S.Y.

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18 matching references were found.

Larose, R.H.; Chau, A.S.Y., Herbicide Analysis: Relationship Between Molecular Structure and Retention Index, J. Ass. Offic. Anal. Chem, 1973, 56, 5, 1183-1187. [all data]

Ripley, B.D.; Wilkinson, R.J.; Chau, A.S.Y., Multiresidue Analysis of Fourteen Organophosphorus Pesticides in Natural Waters, J. Ass. Offic. Anal. Chem, 1974, 57, 5, 1033-1042. [all data]

Agemian, H.; Chau, A.S.Y., Determination of Pesticides by Derivative Formation. IV. A Sensitive Gas-chromatographic Method for the Determination of MCPA and MCPB Herbicides after Esterification with 1-Bromomethyl-2,3,4,5,6-pentafluorobenzene, Analyst, 1976, 101, 1206, 732-737, https://doi.org/10.1039/an9760100732 . [all data]

Chau, A.S.Y., Derivative formation for the confirmation of endosulfan by gas chromatography, J. Ass. Offic. Anal. Chem, 1969, 52, 6, 1240-1248. [all data]

Lee, H.-B.; Chau, A.S.Y., Analysis of pesticide residues by chemical derivatization. VII. Chromatographic properties of pentafluorobenzyl ether derivatives of thirty-two phenols, J. Ass. Offic. Anal. Chem, 1983, 66, 4, 1029-1038. [all data]

Lee, H.-B.; Weng, L.-D.; Chau, A.S.Y., Chemical derivatization analysis of pesticide residues. VIII. Analysis of 15 chlorophenols on natural water by in situ acetylation, J. Ass. Offic. Anal. Chem, 1984, 67, 4, 789-794. [all data]

Lee, H.-B.; Weng, L.-D.; Chau, A.S.Y., Chemical derivatization analysis of pesticide residues. IX. Analysis of phenol and 21 chlorinated phenols in natural waters by formation of pentafluorobenzyl ether derivatives, J. Ass. Offic. Anal. Chem, 1984, 67, 6, 1086-1091. [all data]

Chau, A.S.Y., Confirmation of pesticide residue identity. I. Derivative formation for the confirmation of photoproducts of endrin: Hexachloro- and pentachloro-ketone pesticide residues by gas chromatography, J. Ass. Offic. Anal. Chem, 1972, 55, 3, 519-525. [all data]

Chau, A.S.Y.; Lanouette, M., Confirmation of pesticide residue identity. II. Derivative formation in solid matrix for the confirmation of DDT, DDD, methoxychlor, perthane, cis- and trans-chlordane, heptachlor, and heptachlor epoxide pesticide residues by gas chromatography, J. Ass. Offic. Anal. Chem, 1972, 55, 5, 1058-1066. [all data]

Chau, A.S.Y.; Coburn, J.A., Determination of pentachlorophenol in natural and waste waters, J. Ass. Offic. Anal. Chem, 1974, 57, 2, 389-393. [all data]

Chau, A.S.Y., Confirmation of pesticide residue identity. VII. Solid matrix derivation procedure for the simultaneous confirmation of heptachlor and endrin residues in the presence of large quantities of polychlorinated biphenyls, J. Ass. Offic. Anal. Chem, 1974, 57, 3, 585-591. [all data]

Coburn, J.A.; Chau, A.S.Y., Gas-liquid chromatographic determination of 3-trifluoromethyl-4-nitrophenol in natural waters, J. Ass. Offic. Anal. Chem, 1976, 59, 4, 862-865. [all data]

Chau, A.S.Y.; Terry, K., Analysis of pesticides by chemical derivatization. III.Gas chromatographic characteristics and conditions for the formation of pentafluorobenzyl derivatives of ten herbicidal acids, J. Ass. Offic. Anal. Chem, 1976, 59, 3, 633-636. [all data]

Coburn, J.A.; Ripley, B.D.; Chau, A.S.Y., Analysis of pesticide residues by chemical derivatization. II. N-Methylcarbamates in natural water and soils, J. Ass. Offic. Anal. Chem, 1976, 59, 1, 188-196. [all data]

Chau, A.S.Y.; Carron, J.M.; Tse, H., Confirmation of pesticide residues identity. X. Mirex, J. Ass. Offic. Anal. Chem, 1978, 61, 6, 1475-1480. [all data]

Lee, H.-B.; Stokker, Y.D.; Chau, A.S.Y., Chemical derivatization analysis of pesticide residues. X. Analysis of ten acid herbicides in natural waters, J. Ass. Offic. Anal. Chem, 1986, 69, 3, 557-560. [all data]

Chau, A.S.Y.; Cochrane, W.P., Cyclodiene chemistry. III. Derivative formation for the identification of heptachlor, heptachlor epoxide, cis-chlordane, trans-chlordane, dieldrin, and endrin pesticide residues by gas chromatography, J. Ass. Offic. Anal. Chem, 1969, 52, 6, 1220-1226. [all data]

Lee, H.-B.; Hong-You, R.L.; Chau, A.S.Y., Analysis of phenols by chemical derivatization. IV. Rapid and sensitive method for analysis 21 chlorophenols by improved chloroacetylation procedure, J. Ass. Offic. Anal. Chem, 1985, 68, 3, 422-426. [all data]