A improved process of p-amino-N,N-dimethylaniline applied caustic soda solution as materials was introduced.
阐述了采用液碱(苛性钠溶液)代替氨水生对氨基-N,N-二甲基苯胺法。
A improved process of p-amino-N,N-dimethylaniline applied caustic soda solution as materials was introduced.
阐述了采用液碱(苛性钠溶液)代替氨水生对氨基-N,N-二甲基苯胺法。
Corrosively medium for chemical production such as sodium hydrate,caustic soda,sulfuric acid,nitric acid,acetic acid,fatty acid.
化生腐蚀性物料,如:烧碱、纯碱、浓稀硫酸、碳酸、醋酸等。
Buy Chemicals Buy Chemicals We buy chemicals like caustic soda, soda ash, alum, sodium hydrosulphite, paint chemicals, cosmetic chemicals and dyestuff such as vat dyes, disperse dyes, acid dyes.
尼日利亚求购化学制.
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