혼합 유기용제 분석 산업안전보건연구원 안전위생연구센터

MDHS 96 Volatile organic compounds in air FID GC Column 50m × 0.22mm fused silica capillary coated with dimethylsiloxane or 7%cyanopropyl, 86%methylsiloxane 50~200 ℃ at 5 ℃/min with a carrier gas flow of 0.7-0.8ml/min helium Log-transformed calibration graph

MDHS 96 Volatile organic compounds in air Desorption solvent High-purity carbon disulfide (benzene <1ug/ml) for non-polar compounds Dichloromethane, methanol, higher alcohols, dimethylformamide, acetonitrile has been used as eluants for polar compound and mixture

MDHS 96 Volatile organic compounds in air Calibration standard Six calibration standard Internal standard (optional) Mixed solvents example in paints, thinners, adhesives, cleaning fluids

MDHS 96 Volatile organic compounds in air Blend 1 n-hexane, n-heptane, n-octane, n-decane, n-undecane, n-dodecane, benzene, toluene, o-xylene, p-xylene, n-propylbenzene, iso-propylbenzene, m-ethyltoluene, o-ethyltoluene, p-ethyltoluene, 1,2,4-trimethylbenzene, 1,3,5-trimethylbenzene, n-propyl acetate, n-butylacetate, iso-butyl acetate, butoxyethyl acetate

MDHS 96 Volatile organic compounds in air Blend 2 Iso-propanol, iso-butanol, n-butanol, 1-methoxy-2-propanol, buthoxyethanol, toluene, ethylbenzene, 1,2,3-trimethylbenzene, ethylacetate, ethoxyethylacetate

MDHS 96 Volatile organic compounds in air Blend 3 Acetone, 2-butanone, 4-methylpentan-2-one, cyclohexanone, 2-methylcyclohexanone, 3-methylcyclohexanone, 4-methylcyclohexanone, iso-propyl acetate, n-nonane, toluene

혼합유기용제 분석 FID GC 25m HP-1 Column temperature Carrier gas :0.7ml/min 70℃ → 5 ℃/min → 90 ℃ 2min → 160 ℃ Carrier gas :0.7ml/min Injetor temperature 230 ℃

혼합유기용제 분석-blend 1 DMF RT : 7.691 Hep t ane Hexane toluene trimethylbenzenee Bu T Hoxye Hy Lace A e benzene octane butylacetate O-xylene butylacetate M+P-xylene

혼합유기용제 분석-blend2 EA Et Hy lbenzene I PA Ce Lluso Lveace T A e 1-bu T Ano l To L uene EGMBE TB 2-Bu T Ano l

혼합유기용제분석-blend3 Ace T one 2-bu T anone Cyc To L L ohexanone uene Nonane MIBK

혼합유기용제 분석-blend1 물질명 탈착효율 (평균, %) 변이 Hexane 105 1.8 N-Octane 2.5 Benzene 104 1.4 m-Xylene 106 1.1 Heptane 2.1 P-Xylene 101 Isobutyl acetate o-Xylene 1.3 Toluene 1.9 1,2,4-Trimethylbenzene Butyl acetate 2.2 Buthoxy ethyl acetate 91 3.0

혼합유기용제 분석-blend2 물질명 탈착효율 (평균, %) 변이 IPA 90 2.6 Ethylbenzene 106 2.0 2-Butanol 92 1.3 Cellosolve acetate 96 Ethyl acetate 105 0.8 Buthyl cellosolve 53 1-Butanol 82 1,3,5-Trimethyl benzene Toluene 104 1.1

혼합유기용제 분석-blend3 물질명 탈착효율 (평균, %) 변이 Acetone 95 2.0 Toluene 105 1.2 2-Buanone 96 1.6 Cyclohexanone 75 1.0 MIBK 102 N-Nonane 1.3

Volatile Organic Vapor 신너의 휘발성 유기용제 성분 (신용철 등, 1999) Thinner Volatile Organic Vapor Blend 현조건에서 가능 GTA 007 Xylene, Ethylbenzene, toluene Blend2+Xylene O-xylene과 Buthyl cellosolve 분리 어려움 GTA 220 Xylene, trimethylbenzene, n-butanol, toluene, ethylbenzne, GTA 713 Xylene, cellosolve acetate, ethylbenzene, toluene Hemple 0846 Xylene, MIBK, MEK, ethylbenzene, IPA, Toluene Blend3+IPA+Xylene Acetone과 IPA 분리 어려움(HP-FFAP 사용)

혼합유기용제 분석 -MDHS 96 Table4 참조 물질 명 Retention indices BP-1 BP-100 Acetone 487 589 IPA 488 601 o-Xylene 887 960 Buthyl cellosolve 890 1015