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USP G Column Listing (GC)
Feb 27, 2024 | Gas Chromatography
This table lists classifications for GC columns set forth by the United States Pharmacopeia (USP). GC columns assigned to a USP code have a phase as described by the USP to that designation. GL Sciences InertCap columns are high-performance columns for gas chromatography featuring highly inert phases with ultra-low bleed.
List of GC columns by USP code
| USP Code | Description | Phase |
G1 | Dimethylpolysiloxane oil | InertCap 1MS InertCap 1 InertCap 1HT |
G2 | Dimethylpolysiloxane gum | InertCap 1MS InertCap 1 InertCap 1HT |
G3 | 50% Phenyl - 50% methylpolysiloxane | InertCap 17MS/Sil InertCap 17MS InertCap 17 |
G6 | Trifluoropropylmethyl polysiloxane | InertCap 210 |
G7 | 50% 3-Cyanopropyl - 50% phenylmethylsilicone | InertCap 225 |
G14 | Polyethylene glycol(av.mot.wt.of 950 to 1050) | InertCap Pure-WAX InertCap WAX InertCap WAX-HT |
G15 | Polyethylene glycol(av.mot.wt.of 3000 to 3700) | InertCap Pure-WAX InertCap WAX InertCap WAX-HT |
G16 | Polyethylene glycol compound(av.mot.wt.about 15,000). A high molecular weight compound of with a diepoxide linker Polyethylene glycol | InertCap Pure-WAX InertCap WAX InertCap WAX-HT |
G19 | 25% Phenyl - 25% cyanopropyl - 50% methylsilicone | InertCap 225 |
G20 | Polyethylene glycol(av.mot.wt.of 380 to 420) | InertCap Pure-WAX InertCap WAX InertCap WAX-HT |
G25 | 25% Phenyl - 75% Methylpolysiloxane | InertCap FFAP |
G27 | 5% Phenyl - 95% methylpolysiloxane | InertCap 5MS/Sil InertCap 5MS/NP InertCap 5 InertCap Pesticides |
G28 | 25% Phenyl - 75% methylpolysiloxane | InertCap 25 InertCap AQUATIC InertCap AQUATIC-2 |
G35 | A high molecular weight compound of a polyethylene glycol and a diepoxide that is eaterifed with nitroterephthalic acid. | InertCap FFAP |
G36 | 1% Vinyl - 5% phenylmethylpolysiloxane | InertCap 5MS/Sil InertCap 5MS/NP InertCap 5 |
G38 | Phase G1 containing a small percentage of a tailing inhibitor | InertCap 1MS InertCap 1 |
G39 | Polyethylene glycol(av.mol.wt.of about 1500) | InertCap Pure-WAX InertCap WAX InertCap WAX-HT |
G42 | 35% phenyl - 65% dimethylpolysiloxane(percentage refer to molar substitution) | InertCap 35MS InertCap 35 |
G43 | 6% cyanopropylphenyl - 94% dimethylpolysiloxane | InertCap 624MS InertCap 624 InertCap 1301 |
G46 | 14% Cyanopropylphenyl - 86% methylpolysiloxane | InertCap 1701MS InertCap 1701 |
G47 | Polyethylene glycol(av.mol.wt.of about 8000) | InertCap Pure-WAX InertCap WAX InertCap WAX-HT |