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  2. Exhaust gas analyzer - Wikipedia

    en.wikipedia.org/wiki/Exhaust_gas_analyzer

    The carbon monoxide concentration in exhaust gases is closely related, and almost proportional to the air fuel ratio in the rich regions. It is, therefore, of great value when tuning an engine. Carbon dioxide emitted is theoretically directly proportional to the fuel consumed at a given and constant air fuel ratio.

  3. Carbon monoxide detector - Wikipedia

    en.wikipedia.org/wiki/Carbon_monoxide_detector

    A Kidde plug-in carbon monoxide detector. A carbon monoxide detector or CO detector is a device that detects the presence of the carbon monoxide (CO) gas to prevent carbon monoxide poisoning. In the late 1990s, Underwriters Laboratories changed the definition of a single station CO detector with a sound device to carbon monoxide (CO) alarm.

  4. Iron(III) nitrate - Wikipedia

    en.wikipedia.org/wiki/Iron(III)_nitrate

    Iron(III) nitrate is deliquescent, and it is commonly found as the nonahydrate Fe(NO 3) 3 ·9H 2 O, which forms colourless to pale violet crystals. This compound is the trinitrate salt of the aquo complex [Fe(H 2 O) 6] 3+. [4] Other hydrates Fe(NO 3) 3 ·x H 2 O, include:

  5. Flame ionization detector - Wikipedia

    en.wikipedia.org/wiki/Flame_ionization_detector

    Schematic of a flame ionization detector for gas chromatography. A flame ionization detector (FID) is a scientific instrument that measures analytes in a gas stream. It is frequently used as a detector in gas chromatography. The measurement of ions per unit time makes this a mass sensitive instrument. [1]

  6. Carbon monoxide (data page) - Wikipedia

    en.wikipedia.org/wiki/Carbon_monoxide_(data_page)

    132.7 K (−140.3 °C), 3498 kPa, 11.1 mol/L (3.1×10 2 kg/m 3) Std enthalpy change of fusion, Δ fus H o? kJ/mol Std entropy change of fusion, Δ fus S o? J/(mol K) Std enthalpy change of vaporization, Δ vap H o? kJ/mol Std entropy change of vaporization, Δ vap S o? J/(mol K) Std enthalpy change of sublimation, Δ sub H o: 8 kJ/mol (at 51 ...

  7. Explosive gas leak detector - Wikipedia

    en.wikipedia.org/wiki/Explosive_gas_leak_detector

    A detector for propane is best placed down low near the floor, as propane is heavier than air. [3] A detector for natural gas (city gas) is best placed up high, near the ceiling. [3] Some detectors can detect both natural gas or propane, but this requires a compromise location. [4]

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