Conversion ppm mg/m3

The unit ppm is used in several branches in different ways. The use of ppm therefore has to be specified in the input fields below, in the way it should convert the value with the proper unit. For more theory about the use of ppm, please see the documentation below. In the input field of Molecular Weight you could conversion ppm mg/m3 choose from the drop-down list, conversion ppm mg/m3, or you could fill in the value of the molecular weight of the gas.

Up to eight digits, including digits after the decimal point, can be entered in input fields. Enter the concentration values and select the concentration unit from the pull-down list. Either directly enter the name of the gas, or select it from the pull-down list. Alternatively, directly enter the molecular weight. If the pressure is not one atmospheric pressure hPa , enter the pressure in the corresponding field. Home Technical Information Concentration unit conversion Concentration unit conversion. Converts gas concentration units to other units.

Conversion ppm mg/m3

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Concentrations of chemicals in the air are usually measured as the mass of chemicals milligrams, micrograms, nanograms or picograms per volume of air cubic meters or cubic feet. Concentrations can also be expressed as parts per million ppm or parts per billion ppb by using a conversion factor. This conversion factor is based on the molecular weight of the chemical and it is different for every chemical. The temperature of the atmosphere also has an influence on the calculation. More information about our products, services or looking for a custom solution? Please contact our Sales Engineers.

The calculator below converts between volume concentration of gas, i. A detailed description of the calculation can be found under the calculator. As mentioned above, the volume concentration of gas is defined as the ratio of the gas volume to the total volume. Ppm is often used for low concentration values, typical for air pollution. The conversion from one unit to another is based on the Law of Avogadro's , according to which equal volumes of gases, at the same temperature and pressure, contain the same number of molecules. According to the first corollary from Avogadro's law, one mole of any gas under the same - isobaric and isothermal - conditions occupies the same volume. Knowing ppm, we can find how many liters of gas are contained in one cubic meter of total volume.

Conversion ppm mg/m3

A conversion factor based on the molecular weight, the temperature and pressure where the measurement is taken is used, so every measurement taken will have a slightly different conversion factor. Back to all White Paper Articles. Within the personal and portable Instrument sold by ION Science these calculations are done within the instrument software so no manual calculations are needed to convert the units. The conversion from PPM to percentage and back again is slightly simpler, we may need to use these calculations when deciding what calibration gas to use, say we have a 1. Our White Paper Article is available to download below, the information provides you with key information regarding how different regulation bodies use different types of units for different types of Workplace Exposure Limits WELs. United States. United Kingdom.

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Molecular Weight Calculator. TeamViewer remote support software. Testing and validating. More info available in Online support. Ionic strength and activity coeficient. Compare 0. It is primarily used for particle-like substances, and only rarely for gaseous concentrations. PPM mg3 converter. This unit that expresses concentration in parts per million is measured as the volume denoted in litres [L] of a substance found in 1L of a medium such as air. This unit expresses concentration in parts per hundred percentage of a substance in mL of a medium such as air. Talk to our specialists. Volume Mole Weight.

The unit ppm is used in several branches in different ways.

TeamViewer remote support software. Find your local dealer List of dealers Principles of cooperation Become our dealer Price lists. Manifolds Stainless Steel. We will contact you at our earliest convenience. IGS Filters. It is generally used for measuring concentrations in liquids, and only rarely for gaseous concentrations. If the molecular weight is unknown to you, please try our Molecular Weight Calculator. Molecular weight. Concentration unit conversion Calculation of the preparation conditions to be generated by the Permeater The Kimitsu Contaminated Vadose Zone Assessment technique Formaldehyde and the indoor environment Properties of gas. Multi - Tubing. Remote support.