Toluene (C7H8)
Toluene, also known as toluol, is an aromatic hydrocarbon. It is a colorless, water-insoluble liquid with the smell associated with paint thinners. It is a mono-substituted benzene derivative, consisting of a CH3 group attached to a phenyl group. As such, its IUPAC systematic name is methylbenzene. Toluene is predominantly used as an industrial feedstock and a solvent.
SEMA Gases is a manufacturer of span gases in disposable cylinder cans from the Netherlands, established from the want to create a label which is applicable for all brands of gas detection equipment. The products of SEMA Gases are used for calibration of portable gas detection instruments and calibration of fixed gas detection systems. SEMA Gases produces single gases (flammable gases, oxygen, toxic gases) and gas mixtures (2, 3, 4 or 5 gas mixtures) in various cylinder size up to 110 ltr.
Toluene Calibration Gases
| 34L | 58L | 110L | Cert. tol. | Prod. tol. | Stability (months) |
|
|---|---|---|---|---|---|---|
| 100 ppm Toluene // Air (pressure restricted 750 psig) | Available | Available | Available | +/- 2% | +/- 10% | 60 |
| 200 ppm Toluene // Air (pressure restricted 400 psig) | Available | Available | Available | +/- 2% | +/- 5% | 60 |
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