혼합 유기용제 분석 산업안전보건연구원 안전위생연구센터.

Presentation on theme: "혼합 유기용제 분석 산업안전보건연구원 안전위생연구센터."— Presentation transcript:

1 혼합 유기용제 분석 산업안전보건연구원 안전위생연구센터

2 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 ml/min helium Log-transformed calibration graph

3 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

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

5 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

6 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

7 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

8 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 ℃

9 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

10 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

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

12 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

13 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

14 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

15 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)

16 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