TY JOUR TI OPTIMIZATION OF THE VAPOUR-PHASE METHODS TO DETERMINE THE CHLORBENZENE MASS CONCENTRATION IN THE TESTS OF NATURAL AND SEWAGE WATER BY THE GAS-CHROMATOGRAPHICMETHOD KW chlorbenzene KW sewage water KW gas-chromatographic method KW calibrating solutions KW temperature control JO Bulletin of KSAU AU Sobolevskaya, L.A. PY 2015 IS PB Krasnoyarsk State Agrarian University