中文字幕在线日韩|国产无码精品视频|9999亚洲欧美|日韩5级电影视频|婷婷一人高清视频|国产高清成人熟女免费视频|成人网站嫩草学院|亚洲中文字幕第五页|日韩综合在线播放|国产射精视频

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

?