Buy qualified chemicals to effectively avoid fire

The meaning of the subsequent terms subsequent the title of the substance is :]a cylinder] indicates that the material is stored in a piston suitable for keeping a gas or liquid gas above meteorological pressure. ]Liquefied] indicates the the substance is a liquid gas saved in Duva bottle( Duncan vessel) below meteorological pressure.
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1]Liquedified, cooled] means that if a substance is an unstable gas, it is liquefied( partially) on pressure and saved under continuous chilling to avoid degradation( only for many gases). ]Powder] is usually used for metal flour. 3. Chemical method Chemical method is a formula constructed of substances of chemical ingredients represented by component symbols, including chemical formula, architectural formula and so on.

The chemical formula is the precise number of atoms for each component in a protein of a single material or a compound. The structural method is the formula reflecting the agreement order and bound mode of particles in the molecule of issue.

The biochemical formula in the card is primarily the chemical framework formula, and some ingredients of the molecular method are listed at the same period.

4. Chemical Weight Chemical weight refers to the comparative mass of a solitary material or a compound protein. The molecular bodyweight of a material is the sum of the comparative nuclear weights of the elements that constitute the molecules of the substance.