Who is andreas vogelsberger

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Pick one that's hard-to-crack, only known by you, and at least 6 characters long. Use this to log in to your account, receive notifications and get handy updates from us. The solubility of silica gel in distilled water and dilute and alkaline solutions has been investigated. The solubility has been studied as a function of the pH of the gel preparation, pH s , and of the pH of the dissolution media, pH L.

A kinetic model for the dissolution process has been developed that permits the determination of the rate constant as well as the equilibrium value of the solubility of the silica gel.

The model explains the dependence of the rate constants on the concentration of catalytically active hydroxyl ions as an adsorption of these ions on the silica gel surface. The solubility of silica gel increases with increasing pH L. The solubility dependence on pH S is influenced both by the specific surface area of the gel and gel time. The structure of the gels is determined by the gel time. High solubilities can be achieved by a large specific surface area and a small gel time.

Vogelsberger, A. Seidel and G. Rudakoff, J. To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page. Pension provisions. Real estate. Return on equity. Return on sales. Revenue CAGR. Revenue per employee. Tax ratio. Total assets. Total public funding per year. Wages and salaries. Events Detailed information for these filters is available in our help center article about Event Filters.

Address change. Partnership agreement of May 20, Business address : Bichl 1, Tuntenhausen. Subject of the company : acquisition, development and sale of land, their leasing, trading in own as well as the mediation of foreign real estate and construction support.