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COMPOSITION D'ACIDE SILICIQUE MICRO-COLLOÏDAL / D'ACIDE BORIQUE ET PROCÉDÉ DE PRÉPARATION D'UNE SOLUTION ET D'UNE POUDRE BIOSTIMULANTES
专利权人:
Barlaa B.V.
发明人:
申请号:
EP10798639.0
公开号:
EP2509414B1
申请日:
2010.12.08
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
The present invention provides a composition comprising an acidified aqueous solution of (1) micro colloidal silicic acid, (2) boric acid, and (3) a water absorbing additive, having a pH value of equal to or less than 1, wherein the micro colloidal silicic acid has particle sizes in the range of 1-8 nm, especially in the range of 1.5-6 nm. The invention also provides a particulate product obtainable by the method according to claim 18, wherein the particles comprise (1) silicic acid, (2) boric acid, and (3) the water absorbing additive, and wherein at least 90% of the particles in the particulate product have particle sizes in the range of 0.3-5 µm.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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