Hydrogen Chloride (HCl)
The compound hydrogen chloride has the chemical formula HCl and as such is a hydrogen halide. At room temperature, it is a colourless gas, which forms white fumes of hydrochloric acid upon contact with atmospheric water vapor. Hydrogen chloride gas and hydrochloric acid are important in technology and industry. Hydrochloric acid, the aqueous solution of hydrogen chloride, is also commonly given the formula HCl.
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.
Hydrogen Chloride Calibration Gases
| 34L | 58L | 110L | Cert. tol. | Prod. tol. | Stability (months) |
|
|---|---|---|---|---|---|---|
| 5 ppm Hydrogen Chloride // Nitrogen | Available | Available | Available | +/- 10% | +/- 20% | 12 |
| 10 ppm Hydrogen Chloride // Nitrogen | Available | Available | Available | +/- 10% | +/- 20% | 12 |
| 20 ppm Hydrogen Chloride // Nitrogen | Available | Available | Available | +/- 10% | +/- 20% | 12 |
| 25 ppm Hydrogen Chloride // Nitrogen | Available | Available | Available | +/- 5% | +/- 10% | 12 |
| 50 ppm Hydrogen Chloride // Nitrogen | Available | Available | Available | +/- 5% | +/- 10% | 12 |
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