Environmental Test Equipment Selection Guide
Before purchasing environmental testing equipment, users need to determine several technical requirements and inform the manufacturer of these technical requirements. Only then will you get a targeted quotation plan.
First: temperature range requirements
Second: humidity range requirements
Third: studio size requirements
Fourth: lifting temperature requirements
Fifth: Dimensional size requirements (individual users need to pay attention to the size of the shop door)
Sixth: equipment material requirements
A large class of Alcohols and organic compounds is a compound in which a hydrogen atom in an aliphatic hydrocarbon, an alicyclic hydrocarbon or an aromatic hydrocarbon side chain is substituted with a hydroxyl group. Generally referred to as an alcohol, the hydroxyl group is attached to a saturated, sp3 hybridized carbon atom. If the hydroxyl group is bonded to the benzene ring, it is a phenol; if the hydroxyl group is linked to the sp2 hybridized olefinic carbon, it is an enol. The properties of phenols and enols are quite different from those of general alcohols.
A phenol having the general formula of ArOH is a type of aromatic compound in which a hydrogen on an aromatic hydrocarbon ring is substituted with a hydroxyl group (-OH). The simplest phenol is phenol. The phenolic compound refers to a compound formed by substituting a hydrogen atom on a benzene ring in an aromatic hydrocarbon with a hydroxyl group, and can be classified into a monohydric phenol and a polyhydric phenol according to the number of hydroxyl groups contained in the molecule.
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