Title: High-effective scale remover for aluminium kettle
Application Number: 90107087 Application Date: 1990.08.18
Publication Number: 1059172 Publication Date: 1992.03.04
Approval Pub. Date: Granted Pub. Date: 1995.03.01
International Classifi-cation: C02F5/10,C23G1/06,C23G1/12
Applicant(s) Name: Cao Libin Address: 050011
Inventor(s) Name: An Yuhong
Attorney & Agent: CHEN JIANMIN
Abstract:
     The descaling agent of this invention is made up of nitric acid, and corrosion-inhibiting agent compounded by alkyl amide phosphate and water in a definite ratio. The ratio of formulation is: nitric acid 20-50%, corrosion-inhibiting agent 1-5% and water 45-79%. The formulation ratio of solid type descaling agent in this invention is: aminosulfonic acid 95-99.75%, and alkyl alcohol amide phosphate 0.25-5%. The advantages of this invention are excellent descaling effct, little corrosion to aluminium metal, low cost, and easiness in preparation.
Time: 6