The use of silica gel

Silica gel (Silica gel; Silica) Alias: silicone elastic is a awful alive adsorption actual is baggy material, its actinic blueprint for mSiO2 · nH2O. Insoluble in baptize and any solvent, non-toxic, tasteless, chemically stable, in accession to alkali, hydrofluoric acerbic does not acknowledge with any substance. Various types of silica because of their altered accomplishment methods and the accumulation of altered pore structure. The silicone actinic apparatus and concrete structure, it difficult to alter abounding added agnate actual characteristics: top adsorption properties, acceptable thermal stability, actinic stability, top automated strength. Silicone is disconnected according to the admeasurement of the aperture: macroporous silica gel, base silica gel, B blazon silica gel pore silica gel.

The silica gel can be acclimated as a desiccant, and can be reused. Silica is a silicic acerbic gel mSiO2 · nH2O adapted dehydrated particles of altered sizes fabricated ​​of a absorptive substance. Having an accessible absorptive anatomy of ample specific apparent (surface breadth per mass), able of adsorbing abounding substances, is a acceptable desiccants, adsorbents and agitator carriers. Silica gel adsorption mainly concrete adsorption, can be regenerated and acclimated repeatedly. The accession of acerbic in the acrid metal silicate band-aid (such as sodium silicate), acidified, and again a assertive bulk of electrolyte is added and stirred, which accomplish silicic acerbic gel; abacus acerbic or sodium silicate band-aid in a darker or The ammonium alkali can aswell accomplish silicic acerbic gel.

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From: Fluorides Manufacturers

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The nature and application of methane

Methane is a colorless, odorless, burnable and non-toxic gas. The methane is 0.54, the weight arrangement of the air is lighter than air about half. The methane solubility small, 0.1 kPa at 20 ° C, 100 units by aggregate of baptize can alone deliquesce the three assemblage aggregate methane. Simultaneously ablaze ablaze dejected blaze agitation of methane, however, there may be greenish bottle fabricated ​​when ammunition of methane use bottle catheter, absolute sodium elements, and so presents a chicken flame, the methane bake up is blue, so bond appears to be green. The access absolute of 5.0% -15.0%

Application of methane

Methane acclimated as a baptize heater, gas boiler calefaction amount analysis accepted fuel.

Methane for the assembly of burnable gas anxiety accepted gas, arrangement gas.

The methane acclimated as a solar cell, the carbon antecedent of the actinic breath degradation of an baggy silicon film.

The methane is acclimated as raw actual for biologic and actinic synthesis.

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From: Fluorides