JIS K 0311:1999 English Edition

Method for determination of tetra- through octa-chlorodibenzo-p-dioxins, tetra- through octa-chlorodibenzofurans and coplanar polychlorobiphenyls in stationary source emissions

Abstract

This Japanese Industrial Standard specifies the method of analysis for tetra-through octa-chlorodibenzo-para-dioxins, tetra-through octa-chlorodibenzofurans and coplanar PCBs in exhaust gas which are generated by combustion, chemical reactions and discharged to a flue, stack or duct in stationary source emissions using a gas chromato-graph coupled to a mass spectrometer. The GC/MS employed in this Standard shall be the double-focusing mass spectrometer (MS) where the capillary column of a gas chromatograph (GC) is used and its resolution is 10000 or more. The minimum limits of detection of the GC/MS in this Standard, though it is liable to vary in accordance with an apparatus or analytical conditions, are 0.1 pg for tetrachlorinated compounds and pentachlorinated compounds, 0.2 pg for hexachlorinated compounds and heptachlorinated compounds, 0.5 pg for octachlorinated compounds and 0.2 pg or under for coplanar PCBs.

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