Products

Regulations

United States Pharmacopeia (USP) GC Phases

Code
Phase
Commercially Available
G1
Dimethylpolysiloxane oil
OV-101
G2
Dimethylpolysiloxane gum
OV-1, SE-30
G3
50 % Phenyl-50 % methylpolysiloxane
OV-17
G4
Diethylene glycol succinate polyester
DEGS
G5
3-Cyanopropylpolysiloxane
OV-275
G6
Trifluoropropylmethylpolysiloxane
OV-210, DC-QF-1
G7
50 % 3-Cyanopropyl-50 % phenylmethylsilicone
OV-235
G8
80 % Bis(3-Cyanopropyl)-20 % 3-cyanopropylphenylpolysiloxane
OV-255
G9
Methylvinylpolysiloxane OV-1
OV-1
G11
Bis(2-ethylhexyl)sebacate polyester
DOS
G13
Sorbitol
Sorbitol
G14
Polyethylene glycol (av. MW of 950 to 1050)
PEG-1000
G15
Polyethylene glycol (av. MW of 3000 to 3700)
PEG-4000
G16
Polyethylene glycol compound (av. MW about 15,000). A high molecular weight compound of polyethylene glycol with a diepoxide linker. Available commercially as Polyethylene Glycol Compound 20M, or as Carbowax 20 M, from suppliers of chromatographic reagents.
PEG-20M
G17
75 % Phenyl 25 % methylpolysiloxane
OV-25
G18
Polyalkylene glycol
Ucon LB-550X
G20
Polyethylene glycol (av. MW of 380 to 420)
PEG-400
G21
Neopentyl glycol succinate
NPGS
G22
Bis(2-ethylhexyl)phthalate
DOP
G23
Polyethylene glycol adipate
PEGA
G24
Diisodecyl phthalate
DIDP
G25
Polyethylene glycol compound TPA. A high molecular weight compound of a
polyethylene glycol and a diepoxide that is esterified with terephtharic acid.
Available commercially as Carbowax 20M-TPA from supplier of chromatographic reagents.
PEG-20M TPA
G26
25 % 2-Cyanoethyl 75 % methylpolysiloxane
OV-225
G27
5 % Phenyl 95 % methylpolysiloxane
SE-52 etc.
G28
25 % Phenyl 75 % methylpolysiloxane
DC-550
G29
3,3’-Thiodipropionitrile
TDPN
G30
Tetraethylene glycol dimethyl ether
BMEE
G31
Nonylphenoxypoly(ethyleneoxy)ethanol (av. Ethyleneoxy chain length is 30);
Nonoxynol 30
Igepal CO-880
G32
20 % Phenylmethyl 80 % dimethylpolysilicone
OV-7
G34
Diethylene glycol succinate polyester stabilized with phosphoric acid.
DEGS + H3PO4
G35
A high molecular weight compound of polyethylene glycol and a diepoxide that is esterified with nitroterephthalic acid.
FFAP
(Unisole400)
G36
1 % Vinyl 5 % phenylmethylpolysiloxane
SE-54 etc.
G39
Polyethylen glycol (av.MW about 1500)
PEG-1500
G40
Ethylene glycol adipate
EGA
G41
Phenylmethyldimethylpolysiloxane (10 % Phenyl substituted)
OV-3
G44
2 % low molecular weight petroleum hydrocarbon grease and 1 % solution of potassium hydroxide.
Apiezon Grease L + KOH
G45
Divinylbebzebe-ethylene glycol dimethylacrylate
Porapak N, Hayesep N