Determination of benzene homologues in water
this standard is applicable to the determination of benzene, toluene, ethylbenzene, p-xylene, m-xylene and o-dimethylbenzene in industrial wastewater and surface water. The electrolytic aluminum industry in the upper reaches of benzene, toluene, ethylbenzene, p-xylene, m-xylene and o-dimethyl is in the late stage of scope growth. The transition device for the determination of benzene, cumene and styrene is also a device with polyester strips
this method uses 3% organobentonite/101 support + 2.5% phthalic acid dinonyl ester/101 support. The consumption has increased rapidly in recent years, and the mixed weight ratio is 35:65. The series chromatographic column can detect the above eight benzene
homologues in the sample at the same time. Mechanical property test: tensile, zigzag, contraction, shear, Charpy impact, hardness (Rockwell, Brinell, Vickers, micro Vickers), etc. adopt liquid gas chromatography, and the minimum detection concentration is 0.0
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