91超碰亚洲在线|一区二区三区男女欧洲|日韩性爱一级在线|人人插人人射人人操|欧美模特啪啪视频|久久国产五区极品黄色片|国产成人无码区免费A∨在线看|色综合日韩色中文字幕|在线亚洲av天天射综合网1|日韩原创人妻无码破解

Welcome to our website!

Register Login

Chemical

Longsheng built its fortune on chemical industry, and expanded its related industry both vertically and horizontally. Meanwhile, Longsheng also strives for bigger and higher resource allocation. Nowadays, Longsheng diversified its industries in chemicals, real estate, auto, finance etc.

Inorganic Chemicals product  >  Sulphuric acid

Characteistic:

no coloe or weakyellow,transparent,liquid,inorganic intrnsive acid,good capacity of absorptionwater,also strong capacity of corrosion. When dilution sulphuric acid, itshould be dumped into water,can not dump water into the acid, preventing fromexplosion accideng on account of partial sulphuric acid surface overheat.

Quality standards:

GB/T 534-2002

Noxious nature and protection: strong incentive and sear to respiratory organ. If splashed to skin youwill suffer serious searing. When there is incentive symotin in respiratoryorgan you should tale breath of fresh air and Na2CO3 water,drink warm milk mixed with some Na2CO3 or mineral spingwater. If compressive sulphuric acid is splashed to skin you should clean itsith abundant water first,then clean with 2% Na2CO3water;if compressive sulphuric acid splashes into eyes you should clean youreyes with H3BO3 liquid firstly, but this does not meanok, you have to go to hospital for treat .When fire accident happens you shouldrescue with foggy water, sand,or carbon dioxide fire-extinguisher,high-pressurecolumn water is forbidden to be employed preventing sulphuric acid fromsplashing over and hurting someone.




return

Prev:No Information

Next: Sodium bicarbonate

?