Technical Articles

Technical Article - Septa performance

Septa

Download: Technical Article - Septa performance [PDF]

Technical Article - Using stable isotope ratio analyses volatile compounds and fatty acids

SolGel-WAX

Download: Technical Article - Using stable isotope ratio analyses volatile compounds and fatty acids [PDF]

Components

• ?13C
• ?15N
• ?18O
• ?2H

Hydrocarbons 

• Pentane 
• 2,2,4,6,6 pentamethyl heptane hydrocarbon 
• Toluene 
• 2,3,3 trimethyl heptane 2,2,6 trimethyl octane hydrocarbon 
• Hydrocarbon
• o-xylene
• 3,4 dimethyl nonane
• 1,2 dichloro benzene
• nitre benzene

Aldehydes

• 2-methyl butanal
• 3-methyl butanal
• Hexanal
• 2-hexanal
• Heptanal
• Octanal
• trans-2-heptenal
• Nonanal
• 2-octenal
• Benzaldehyde

Ketones

• 2-propanone
• 2-butanone
• 2-pentanone
• 2-heptanone
• 3-hydroxy-2-butanone
• 2-octanone
• 1-hydroxy-2-propanone
• 6-methyl-5-hepten-2-one
• 2,3 octanedione
• 2-hydroy-3-pentanone
• 2-undecanone

Alcohols

• 2-propanol
• Ethanol
• 2-methyl-1-propanol
• Alcohol
• 2-pentanol
• 1-butanol
• 1-penten-3-ol
• Alcohol
• 3-methyl-3-buten-2-ol
• 1-hexanol
• 2-butoxy ethanol
• 1-octen-3-ol
• Benzeneethanol

Free Fatty Acids

• Acetic acid
• Propanoic acid
• Formic acid
• 2-methyl propanoic acid
• Butanoic acid
• 3-methyl butanoic acid
• Pentanoic acid
• Hexanoic acid
• Heptanoic acid
• Octanoic acid
• Nonanoic acid
• Decanoic acid

Esters

• Acetic acid ethyl ester
• 3-methyl butanoic acid methyl ester
• Hexanoic acid methyl ester
• Ester

Sulfur compounds

• Dimethyl sulfide
• Dimethyl disulfide
• Dimethyl sulfoxide
• Dimethyl sulfone
• Sulfur compound

Nitrogen compounds

• Pyridine
• Nitrogen compound
• 2,6 dimethyl pyrazine
• 1-H pyrrole
• Nitrogen compound
• Acetamide
• Formamide

Lactones

• 2-methyldihydro-3(2H)-Furanone
• 5-methyldihydro-2(3H)-Furanone
• 5-ethyldihydro-2(3H)-Furanone
• 5-propyldihydro2(3H)-Furanone
• 5-butyldihydro-2(3H)-Furanone
• 5-pentyldihydr-2(3H)-Furanne

Terpenes 

• D-limnene 

Furans 

• 2-pentyl furane
• Furan
• Furan

Miscellaneous

• Phenl
• 4-methyl phenl

Technical Article - Syringe tips for improving manual GC injection reproducibility

Syringes

Download: Technical Article - Syringe tips for improving manual GC injection reproducibility [PDF]

Technical Article - Syringe care

Syringes

Download: Technical Article - Syringe care [PDF]

Technical Article - Standard preparation in one step

eVol

Download: Technical Article - Standard preparation in one step [PDF]

Components

• Ammonium
• Hydrazine
• Morpholine
• Sodium
• Di-ethanolamine

Technical Article - Sol-gel technology for gas chromatographic columns

SolGel-1ms, SolGel-WAX

Download: Technical Article - Sol-gel technology for gas chromatographic columns [PDF]

Components

1. Decane
2. 4-Chlorophenol
3. Decylamine
4. Undecanol
5. Acenaphthylene
6. Pentadecane Aniline
7. 1,4-Dichlorobenzene-d4
8. Benzoic acid
9. Naphthalene-d8
10. 2,4-Dinitrophenol
11. Acenaphthylene-d10
12. 4-Nitrophenol
13. 2-Methyl-4,6-dinitrophenol
14. 4-Aminobiphenyl
15. Pentachlorophenol
16. Phenanthrene-d10
17. Benzidine
18. 3,3’-Dichlorobenzidine
19. Chrysene-d12
20. Benzo[b]?uoranthene
21. Benzo[k]?uoranthene
22. Perylene-d12

1. Solvent
2. 2-Octanone
3. Tetradecane
4. 1-Octanol
5. Hexadecane
6. Naphthalene
7. 2,4-Dimethylaniline
8. 2,6-Dimethylaniline

1. Acetone
2. Ethyl acetate
3. Methyl ethyl ketone
4. Contaminant
5. iso-Propanol
6. Ethanol
7. Methyl isobutyl ketone
8. Toluene
9. Butyl acetate
10. iso-Butanol
11. Propylene glycol monomethyl ether
12. n-Butanol
13. Ethylbenzene
14. p-Xylene
15. m-Xylene
16. o-Xylene
17. Butyl cellosolve acetate
18. Cyclohexanone
19. Butyl cellosolve
20. Butyl glycol acetate
21. Hexyl cellosolve
22. Isophorone
23. Butyl carbitol
24. Benzyl alcohol

Technical Article - Setting up SilFlow for blackflush in your GC

SilFlow

Download: Technical Article - Setting up SilFlow for blackflush in your GC [PDF]

Technical Article - Sample preparation for GC-C-IRMS reduces interference caused by solvents and plastic pipette tips

eVol

Download: Technical Article - Sample preparation for GC-C-IRMS reduces interference caused by solvents and plastic pipette tips [PDF]

Technical Article - Resolving pesticides - analysis and confirmation of organochlorine, nitrogen and phosphorous pesticides by GC and GCMS

BPX5, BPX50

Download: Technical Article - Resolving pesticides - analysis and confirmation of organochlorine, nitrogen and phosphorous pesticides by GC and GCMS [PDF]

Components

1. alpha-BHC
2. beta-BHC
3. gamma-BHC
4. delta-BHC
5. Heptachlor
6. Aldrin
7. Heptachlor epoxide
8. gamma-chlordane
9. Endosulfan I
10. alpha-chlordane
11. 4,4’-DDE
12. Dieldrin
13. Endrin
14. Endosulfan II
15. 4,4’-DDD
16. Endrin aldehyde
17. Endosulfan sulfate
18. 4,4’-DDT
19. Endrin ketone
20. Methoxychlor

1. DDVP
2. Etridiazole
3. Chloroneb
4. Molinate
5. BPMC
6. Benfluralin
7. Pencycurone
8. Simazin
9. Diazinon-ox
10. Propyzamide
11. Diazinon
12. TPN
13. IBP
14. ECP
15. MBPMC
16. Bromobutide
17. MEP-ox
18. Tolclophos-Methyl
19. Simetryn
20. MEP
21. Esprocarb
22. Malathion
23. Probenazole
24. Chloropyrifos
25. Thiobancarb
26. Fthalide
27. Pendimetaline
28. Isofenfos
29. Methyl-Dymron
30. Captan
31. Butamifos
32. Napropamide
33. Flutolurnil
34. Prethirachlor
35. Isoxathon-ox
36. Isoprothiolane
37. Tricyclazole
38. Buprofezine
39. Isoxathion
40. Mepron:1
41. Chloronitrofen
42. EDDP
43. EPN-ox
44. Pyridaphenthion
45. Iprodione
46. EPN
47. Bifenox
48. Mefenacet

Technical Article - Pyrethroid analysis made easy

BPX5, BPX35

Download: Technical Article - Pyrethroid analysis made easy [PDF]

Components

1. Natural Pyrethrums
2. BHT
3. Allethrin
4. Bioresmethrin
5. Resmethrin
6. Bifenthrin
7. Fenpropathrin
8. Tetramethrin
9. Sumithrin
10. Permethrin
11. Cy?uthrin
12. Cypermethrin
13. Flucythrinate
14. Fenvalerate
15. Esfenvalerate
16. Tralomethrin
17. Deltamethrin

Technical Article - Pyrethroid analysis

BPX5, BPX35, BPX50

Download: Technical Article - Pyrethroid analysis [PDF]

Components

1. Natural Pyrethrums
2. Allethrin
3. Bioresmethrin
4. Resmethrin
5. Bifenthrin
6. Fenpropathrin
7. Tetramethrin
8. Sumithrin
9. Permethrin
10. Cy?uthrin
11. Cypermethrin
12. Flucythrinate
13. Fenvalerate
14. Esfenvalerate
15. Tralomethrin
16. Deltamethrin

Technical Article - Polynuclear aromatic hydrocarbons USEPA methods 525, 8100 and 8270

BPX5, BPX35, SolGel-1ms

Download: Technical Article - Polynuclear aromatic hydrocarbons USEPA methods 525, 8100 and 8270 [PDF]

Components

1. Naphthalene
2. Acenaphthylene
3. Acenaphthene
4. Fluorene
5. Phenanthrene
6. Anthracene
7. Fluoranthene
8. Pyrene
9. Benzo(a)anthracene
10. Chrysene
11. Benzo(b)fluoranthene
12. Benzo(k)fluoranthene
13. Benzo(a)pyrene
14. Indeno(1,2,3,-c,d)pyrene
15. Dibenzo(a,h)anthracene
16. Benzo(g,h,i)perylene

Technical Article - PAH analysis by GC

BPX5

Download: Technical Article - PAH analysis by GC [PDF]

Components

1. Naphthalene
2. D8-Naphthalene (IS)
3. Acenapthylene
4. D-10 Biphenyl (surrogate)
5. Acenaphthene
6. Fluorene
7. D10-Phenanthrene (IS)
8. Phenanthrene
9. D10-Anthracene (IS)
10. Anthracene
11. Fluoranthene
12. Pyrene
13. D10-Pyrene (surrogate)
14. Benzo(a)anthracene
15. D12-Perylene (IS)
16. Chrysene
17. Benzo(b)fluoranthene
18. Benzo(k)fluoranthene
19. Benzo(a)pyrene
20. D12-Perylene (IS)
21. Indeno (1,2,3,-c,d) pyrene
22. Dibenzo(a,h) anthracene
23. Benzo(g,h,i)perylene

Technical Article - Organophosphorous pesticides USEPA 8141 method

BPX5, BPX35, BPX50

Download: Technical Article - Organophosphorous pesticides USEPA 8141 method [PDF]

Components

1. 4-Chloro-3- nitrobenzotrifluoride
2. Dichlorvos
3. 2-Bromonitrobenzene
4. alpha-Mevinophos
5. Tri-butyl phosphate
6. Ethoprop
7. Sulfotepp
8. Naled
9. Phorate
10. Demeton
11. Diazinon
12. Disulfoton
13. Methyl parathion
14. Ronnel®
15. Chlorpyrifos®
16. Fenthion®
17. Trichlorinate®
18. Tetrachlorvinphos®
19. Tokuthion®
20. Impurity
21. Fensulfothion
22. Impurity
23. Triphenylphosphate
24. Guthion (Azinophos)
25. Coumaphos

Technical Article - Organochlorine pesticides USEPA 8081A method

BPX5, BPX35, BPX50, SolGel-1ms

Download: Technical Article - Organochlorine pesticides USEPA 8081A method [PDF]

Components

1. 1, 2,4,5,6-Tetrachlorometa- xylene (surrogate)
2. alpha-BHC
3. gamma-BHC
4. beta-BHC
5. delta-BHC
6. Heptachlor
7. Aldrin
8. Heptachlorepoxy
9. gamma-Chlordane
10. alpha-Chlordane
11. Endosulfan A
12. p, p’-DDE
13. Dieldrin
14. Endrin
15. p, p’-DDD
16. Endosulfan B
17. Endrin aldehyde
18. p, p’-DDT
19. Endosulfan sulfate
20. Methoxychlor
21. Endrin ketone
22. Decachlorobiphenyl (surrogate)

Technical Article - Making sense of GC flow calculations - part 2

GC Columns

Download: Technical Article - Making sense of GC flow calculations - part 2 [PDF]

Technical Article - Making sense of GC flow calculations - part 1

GC Columns

Download: Technical Article - Making sense of GC flow calculations - part 1 [PDF]

Technical Article - Inlet liner geometry and the impact on GC sample analysis

Inlet Liners

Download: Technical Article - Inlet liner geometry and the impact on GC sample analysis [PDF]

Technical Article - Fast GC for TPH analysis

Fast GC

Download: Technical Article - Fast GC for TPH analysis [PDF]

Components

• TPH 
• C8
• C9
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• C18
• C19
• C20
• C21
• C22
• C23
• C24
• C25
• C26
• C28
• C30
• C32

• Benzene
• Toluene
• C8
• Ethyl benzene
• p-m,Xylene
• ortho-Xylene
• C12

Technical Article - Evaluation of a new technique in semi-automated, miniaturized solid phase extraction

MEPS syringes, MEPS BINs, eVol MEPS BINs

Download: Technical Article - Evaluation of a new technique in semi-automated, miniaturized solid phase extraction [PDF]

Components

1. Naphthalene
2. 2-methylnaphthalene
3. 1-methylnaphthalene
4. Acenaphthene
5. Acenaphthylene
6. Fluorene
7. Phenanthrene-d10
8. Phenanthrene
9. Anthracene
10. Fluoranthene
11. Pyrene
12. Benzo(a)anthracene
13. Chrysene
14. Benzo(b)fluoranthene
15. Benzo(k)fluoranthene
16. Benzo(j)fluoranthene
17. Benzo(a)pyrene
18. Perylene-d12 (IS)
19. Indeno(1,2,3-cd)pyrene
20. Dibenzo(a,h)anthracene
21. Benzo(g,h,i)perylene

Technical Article - Calibration of a GC system for the quantification of CO₂ capture in aqueous solutions of alcanolamine

eVol

Download: Technical Article - Calibration of a GC system for the quantification of CO₂ capture in aqueous solutions of alcanolamine [PDF]

Technical Article - BPX70 FAME Columns for pork - a favorable lipid profile

BPX70

Download: Technical Article - BPX70 FAME Columns for pork - a favorable lipid profile [PDF]

Components

• C14:0
• C16:0
• C16:1ω(9)
• C17:0
• C18:0
• C18:1ω7t
• C18:1ω9
• C18:2ω6t
• C18:2ω6
• C18:3ω3
• C20:1ω9
• C20:4ω6
• C22:6ω3

Technical Article - Be a syringe expert!

Syringes

Download: Technical Article - Be a syringe expert! [PDF]

Technical Article - Automated sample preparation using a digital syringe with embedded SPE capability

MEPS syringes, MEPS BINs, eVol MEPS BINs

Download: Technical Article - Automated sample preparation using a digital syringe with embedded SPE capability [PDF]

Components

1. Codeine-6-Glucuronide
2. Morphine-6-Glucuronide
3. Morphine-3-Glucuronide
4. Codeine
5. Morphine
6. Norcodeine
7. Normorphine