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ຍ⇕⬺╔ GC/MS ࢆ⏝࠸ࡓ VOC

ᐃࡢ᳨ウ㸦ࡑࡢ㸰㸧    ୖ㔝ᗈ⾜ 㕥ᮌᬛ⤮  ෆ⏣ᝆኴ ▼஭ᗣ୍㑻   㸦 㠀ᖖ໅◊✲ဨ㸧᳨ウࡋࡓVOC53ᡂศࢆ⾲㸯࡟♧ࡋࡓࠋࡇࢀࡽࡣࠊ࢟㸯 ࡣࡌࡵ࡟
 ㏆ᖺࠊග໬Ꮫ࢜࢟ࢩࢲࣥࢺࡢ⃰ᗘࡣࠊཎᅉ≀㉁࡛࠶ࡿ

ࣕࢽࢫࢱ࣮࡛❅⣲㓟໬≀㸦NOx㸧ཬࡧ᥹Ⓨᛶ᭷ᶵ໬ྜ≀㸦VOC㸧ࡢ⎔ࢻ㢮ࠊᴟᛶࡢ㧗࠸ྵ㓟⣲໬ྜ≀ࡢ࡯࠿ࠊᕷ㈍ࡉࢀ࡚࠸ࡿ

ቃ⃰ᗘࡀపୗࡋ࡚࠸ࡿ࡟ࡶ࠿࠿ࢃࡽࡎࠊቑຍഴྥ࡟࠶ࡿࠋග໬Ꮫࢫࣔࢵࢢࣔࢽࢱࣜࣥࢢࢫࢸ࣮ࢩࣙࣥ⏝ᶆ‽࢞ࢫ

VOCࡣᡂศࡈ࡜࡟ග໬Ꮫ཯ᛂᛶࡀ␗࡞ࡿࡇ࡜࠿ࡽࠊᙜ◊࡟ࡣྵࡲࢀ࡚࠸࡞࠸ࡀGC/MSࡢࢫ࣮࢟ࣕࣥࣔࢻ᳨࡛ฟ

㸯~㸰㸧✲ᡤ࡛ࡣࠊVOCᡂศ⤌ᡂࡢ⃰ᗘᐃ࡜ࡢඹྠ◊✲࡟ࡼࡿ཯ᛂᛶホ౯㸱㹼㸲㸧ࡸ㤳㒔኱Ꮫᮾி࡟ྲྀࡾ⤌ࢇ࡛ࡁࡓࠋࡉࢀࡓ࢔ࣝࢣࣥࠊࢩࢡࣟ࢔ࣝ࢝ࣥ➼࡛࠶ࡿࠋ࣮ෆቨ࡬ࡢ྾╔➼࡟ࡼࡾᐃࡀᅔ㞴࡜ᛮࢃࢀࡿVOCᡂศ㸳)ᐃ᪉ἲᐃ᪉ἲࡣࠊ2✀㢮ࡢ྾╔๣ࢆ඘࡚ࢇࡋࡓᤕ㞟⟶࡟኱

VOCࡢศᯒἲ࡟ࡘ࠸࡚ࡣࠊ࢔ࣝࢹࣄࢻ㢮(HPLCἲ)ࢆ㝖ࡁ࢟ࣕࢽࢫࢱ࣮᥇ྲྀGC/MSἲ࡛⾜ࡗ࡚࠸ࡿࡀࠊ࢟ࣕࢽࢫࢱᐃࡀᅔ㞴࡞㧗ἛⅬⅣ໬Ỉ⣲ࡸ࢔ࣝࢹࣄẼࢆ㏻Ẽࡋࠊࡇࢀࢆຍ⇕⬺╔GC/MS࡛ࡣ๓ሗ㸳㸧ᐃࡋࡓࠋ᮲௳ࡢ࡜࠾ࡾ࡛ࠊ⾲㸰࡟♧ࡋࡓࠋࡶᏑᅾࡍࡿྍ⬟ᛶࡀ࠶ࡿࠋࡇࡇ࡛ࡣࠊ๓ሗ ᳨࡛ウࡋࡓຍ⇕⬺╔GC/MSἲ࡟ࡼࡾࠊ ≉ᐃࡢVOCⓎ⏕※ࡢᙳ㡪ࡀᑡ࡞࠸࡜ᛮࢃࢀࡿ୍⯡኱ᐃᑐ㇟ᡂศࡢ㏣ຍ᳨ウࢆ⾜ㄪᰝ᪉ἲࡗࡓ⤖ᯝ࡟ࡘ࠸࡚ሗ࿌ࡍࡿࠋẼᖖ᫬┘どᐃᒁ㸦≻ỤࠊΎ℩㸧࡟࠾࠸࡚ࠊ2010ᖺ8᭶௨㝆ࠊཎ๎᭶1᪥᫨ኪู࡟ᐃࡋࡓࠋ㸰 ㄪᰝ᪉ἲ᳨ウࡋࡓVOCᡂศ㸱 ⤖ᯝ⾲䠍㻌 ᳨ウ≀㉁㻌
Alkane2-Methyloctane
Dodecane
Tetradecane
Pentadecane
Hexadecane
Alkene2-Methyl-2-Butene
trans-1,3-Pentadiene
cis-1,3-Pentadiene
1-Hexene
2-Hexene
3-Hexene
Cycloalkane
Ethylcyclopentane
cis-1,3-dimethylcyclohexane
trans-1,2-dimethylcyclohexane
trans-1,3/1,4-dimethylcyclohexane
1,3,5-trimethylcyclohexane
cis-1,2-dimethylcyclohexane
Ethylcyclohexane
1,2,4-trimethylcyclohexane
1,3,5-trimethylcyclohexane
1-Ethyl-3-methylcyclohexane
1-Ethyl-4-methylcyclohexane
Isopropylcyclohexane
Propylcyclohexane
1-Ethyl-2-methylcyclohexane

Aromaticp-Cymene
2-Ethyl-p-xylene
4-Ethyl-m-xylene
5-Isopropyl-m-xylene
1,2,3,5-䠰䡁䡐䡎䠽䡉䡁䡐䡄䡕䡈䠾䡁䡊䡖䡁䡊䡁
Oxygenate
ETBE
n-Propyl acetate
2-Ethoxyethanol
Isobutyl acetate
Ethylene glycol mono-tert-butyl ether
1-Hexanol
2-Ethoxyethyl acetate
Cyclohexanol
2-n-Butoxyethanol
Diethylene glycol monomethyl ether
2-(2-Ethoxyethoxy)ethanolm,p-Cresol
Aldehyde
Propionaldehyde
Isobutyraldehyde
Butylaldehyde
IsovaleraldehydeValeraldehyde
Hexylaldehyde
FurfuralHeptaldehyde
Octylaldehyde
KetoneCyclohexanone
Isophorone

ᐃ⤖ᯝࢆᅗ㸯࡟♧ࡋࡓࠋග໬Ꮫ཯ᛂࢆ⪃࠼ࡿ࠺࠼࡛㔜せ࡜࡞ࡿᡂศࡣࠊ⎔ቃ⃰ᗘ࡜཯ᛂᛶࡢ✚ࡢ኱ࡁ࠸ࡶࡢ࡜⪃࠼ࡽࢀࡿࡇ࡜࠿ࡽࠊᅗ㸯࡟ࡣ⃰ᗘ(ȣg/m3)࡜ග໬Ꮫ཯ᛂᛶᣦᶆMIR6㸧(㹥-O3/g-VOC)ࡢ✚ࢆ࢜ࢰࣥ⏕ᡂ⬟࡜ࡋ࡚♧ࡋࡓࠋࡲࡓࠊྛᡂศࡣ໬Ꮫ✀ࡈ࡜࡟ࡲ࡜ࡵ࡚♧ࡋࡓࠋ ௒ᅇ᳨ウࡋࡓ≀㉁ࡢ࢜ࢰࣥ⏕ᡂ⬟ࡢྜィࡣࠊ᫨㛫㧗⃰ᗘ᫬࡛60(ȣg-O3/m3)⛬ᗘ࡛࠶ࡗࡓࠋࡇࢀࡣࠊู⾲㻞㻌 ຍ⇕⬺╔㻳㻯㻛㻹㻿䛻䜘䜛ᐃ᮲௳ຍ⇕⬺╔⿦⨨ ᤕ㞟⟶㸸TENAX-TA(100mg)+Crbotrap(100mg)
 ヨᩱ᥇ྲྀὶ㔞㸸10 mL/ศ ࢺࣛࢵࣉ⟶㸸TENAX-TA ࣃ࣮ࢪ᫬㛫㸸1ศ ୍ḟ⬺╔㸸300Υ10ศ ࢺࣛࢵࣉ ᗘ㸸5Υ ஧ḟ⬺╔㸸300Υ10ศ ฟཱྀࢫࣉࣜࢵࢺ㸸12mL/ศGC/MS ࣒࢝ࣛ㸸DB-624 0.25mm60㹫 ⭷ཌ1.4ȣm
 ࣮࢜ࣈࣥ㸸35Υ(3ศ)-6Υ/ศ-250Υ(12ศ)
 MS:SIM/ࢫ࢟ࣕࣥሗ7㸧࡛♧ࡋࡓ࢟ࣕࢽࢫࢱ࣮GC/MSཬࡧHPLC࡛

ᐃࡋࡓVOCࡢ࠾࠾ࡼࡑ

10㸣⛬ᗘ࡛࠶ࡗࡓࠋ ᡂศู࡟ࡳࡿ࡜ࠊ᫨㛫ࡣ࢔ࣝࢹࣄࢻ㢮ࠊኪ㛫ࡣⰾ㤶᪘ࠊ࢔ࣝࢣࣥࡢ್ࡀ኱ࡁ࠿ࡗࡓࠋࢩࢡࣟ࢔ࣝ࢝ࣥࡣከࡃࡢᡂศࡀ᳨ฟࡉࢀࡓࡀࠊ࢜ࢰࣥ⏕䜸䝌䞁⏕ᡂ⬟⃰ᗘ㻔䃛㼓㻛㼙㻟㻕 㻖㻌㻹㻵㻾䠄䡃㻙㻻㻟㻛㼓㻙㼂㻻㻯㻕 㻝㻜㻜Aldehyde㻢㻜

Ketone㻠㻜Aromatic㻞㻜㻜Cycloalkane≻Ụ್࡛ࡣࠊࡇࢀࡽࡢ≀㉁࡛௒ᅇ᳨ウࡋࡓᡂศ඲యࡢ90㸣ࢆ༨ࡵࡓࠋග໬Ꮫ
཯ᛂᛶࡢほⅬ࠿ࡽࡣࠊࡇࢀࡽࡢᡂศࢆ

ᐃᑐ㇟࡟ຍ࠼࡚࠸ࡃࡇ࡜ࡀ㔜せ࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋ䜸䝌䞁⏕ᡂ⬟⃰ᗘ㻔䃛㼓㻛㼙㻟㻕 㻖㻌㻹㻵㻾䠄䡃㻙㻻㻟㻛㼓㻙㼂㻻㻯䠅ࢰࣥ⏕ᡂ⬟ࡀ㧗ࡃࠊ8᭶㹼3᭶ࡢᖹᆒΎ℩≻Ụ㻤᭶ᡂ⬟࡜ࡋ࡚ࡣᑠࡉ࠿ࡗࡓࠋ ಶูᡂศ࡜ࡋ࡚ࡣࠊ⾲3ࡢᡂศࡢ࢜Oxygenate᫨㛫㻤㻜Ύ
℩

㻥᭶≻
Ụ

Ύ℩㻝㻜᭶

≻
ỤΎ
℩㻝㻝᭶㻝㻜㻜≻ỤΎ℩㻝㻞᭶≻ỤΎ℩≻Ụ㻝᭶Ύ℩㻞᭶≻ỤΎ℩

Alkene㻟᭶

Oxygenateኪ㛫㻤㻜

Aldehyde㻢㻜

Ketone㻠㻜Aromatic㻞㻜㻜

AlkaneCycloalkane≻ỤΎ℩≻Ụ㻤᭶㸲 ࡲ࡜ࡵΎ℩㻥᭶≻ỤΎ℩㻝㻜᭶≻ỤΎ℩㻝㻝᭶≻ỤΎ℩㻝㻞᭶≻ỤΎ℩≻Ụ㻝᭶Ύ℩㻞᭶≻ỤΎ℩

AlkaneAlkene㻟᭶ᅗ䠍㻌 ≻Ụ䚸Ύ℩䛻䛚䛡䜛䜸䝌䞁⏕ᡂ⬟㻌 ຍ⇕⬺╔GC/MSࢆ⏝࠸࡚ࠊࡇࢀࡲ࡛࢟ࣕࢽࢫࢱ࣮ᐃࡋࡓࠋࡑࡢ⃰ᗘ࡜ග໬Ꮫ཯ᛂᛶ࠿ࡽࠊ㸰-࣓ࢳࣝ-㸰-ࣈࢸࣥ➼ࡢ࢔ࣝࢣࣥࡸࠊࣉࣟࣆ࢜ࣥ࢔ࣝࢹࣄࢻ➼ࡢ࢔ࣝࢹࣄࢻ㢮࡞ཧ⪃ᩥ⊩࡝ࠊ㸯㸧ᫍ⣧ஓࡽ㸸኱Ẽ୰VOCࡢᡂศ⤌ᡂࡢ⤒ᖺኚ໬࡜࢜

GC/MS࡛

ᐃࡉࢀ࡚࠸࡞࠿ࡗࡓVOC53ᡂศࢆᐃᑐ㇟࡟ຍ࠼ࡿ࡭ࡁᡂศࡀ᳨ฟࡉࢀࡓࠋ

ࢰࣥ⏕ᡂ࡬ࡢᐤ୚࡟ࡘ࠸࡚㸪ᮾி㒔⎔ቃ⛉Ꮫ◊✲ᡤᖺሗ㸪pp.93-94㸦2008㸧⾲  ࢜ࢰࣥ⏕ᡂ⬟ࡢ㧗࠸ᡂศ≀㉁䜸䝌䞁⏕ᡂ⬟䠄⃰ᗘ䠆㻹㻵㻾㻕

Alkene2-Methyl-2-Butene
3-Hexene
1-Hexene
2-Hexene
1,3-Pentadiene(cis)1,3-Pentadiene(trans)

5.84
2.01
1.440.83
0.720.63

Aromatic
1,2,3,5-Tetramethylbenzene
2-Ethyl-p-xylene
4-Ethyl-m-xylene
p-Cymene
Oxygenate
ETBE
n-Propyl acetate
2-n-Butoxyethanol
Ethylene glycol mono-tert-butyl ether
Aldehyde
Propionaldehyde
Butylaldehyde
Octylaldehyde
Hexylaldehyde
Valeraldehyde
Heptaldehyde
Isobutylaldehyde
KetoneCyclohexanone

2.20
1.13
0.98
0.52
2.59
0.65
0.42
0.34
5.16
2.34
1.34
1.26
1.12
0.70
0.56

㸰㸧▼஭┿⌮ዉࡽ㸸⎔ቃ୰ࡢ᳜≀㉳※VOC⃰ᗘி㒔⎔ቃ⛉Ꮫ◊✲ᡤᖺሗ㸪pp.118-122㸦2009㸧㸱㸧୰ᔱྜྷᘯࡽ,OHࣛࢪ࢝ࣝᑑ࿨ほ࡟ࡼࡿ㒔ᕷ኱Ẽ㉁ࡢデ᩿ϩ-ᮾி㒔ᚰ㒊࡟࠾ࡅࡿ⥲ྜほ-㸪኱Ẽ⎔ቃᏛ఍ㄅ㸪44(1), pp.33-41 (2009)㸲㸧▼஭ᗣ୍㑻ࡽ㸸ග໬Ꮫ࢜࢟ࢩࢲࣥࢺㄪᰝࡢᴫせ࡜஧ḟ⏕ᡂ࣒࣍ࣝ࢔ࣝࢹࣄࢻ, ᮾி㒔⎔ቃ⛉Ꮫ◊✲ᡤᖺሗ㸪pp.123-126㸦2009㸧㸳㸧㕥ᮌᬛ⤮ࡽ㸸ຍ⇕⬺╔GC/MSࢆ⏝࠸ࡓVOCᐃࡢ᳨ウ㸪ᮾி㒔⎔ቃ⛉Ꮫ◊✲ᡤᖺሗ㸪pp.165-167㸦2010㸧㸴㸧W. P. L. Carter㸸Updated Chemical Mechanisms for
Airshed Model ApplicationsࠊRevised Final Report to theCalifornia Air Resources Board㸦2010㸧㸵㸧ෆ⏣ᝆኴࡽ㸸㤳㒔ᅪ࡟࠾ࡅࡿ኱Ẽ୰VOCᡂศࡢ࢜ࢰࣥ⏕ᡂ࡬ࡢᐤ୚ࠊᮾி㒔⎔ቃ⛉Ꮫᖺሗpp.23-32
㸦2011㸧

0.87

ᐃ, ᮾ