Technical Article - Organochlorine pesticides USEPA 8081A method

Technical Article - Septa performance

Septa

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

SolGel-WAX

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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

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Technical Article - Syringe care

Syringes

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