Process for preparing boron, aluminum, and phosphorus silicates

Details Process for preparing boron, aluminum, and phosphorus silicates Process for preparing boron, aluminum, and phosphorus silicates

1995-04-20

1996-05-28

Kunz, Gary L.

Chemistry of inorganic compounds

Boron or compound thereof

Oxygen containing

423304, 423625, 4233281, C01B 3320, C01B 3326

Patent

active

055208991

ABSTRACT:
A process for preparing borosilicate, aluminosilicate, or phosphosilicate comprising preparing a mixture of SiCl.sub.4 with a specific molar ratio of BCl.sub.3, AlCl.sub.3, or PCl.sub.3 ; cooling said mixture to zero degrees; and adding water to the reaction mixture until the evolution of gas is complete. These silicates are useful for purifying DNA wherein the DNA is bound in water or low salt buffers (i.e., in the absence of a chaotropic agent or alcohol).

REFERENCES:
Cotten et al. Advanced Organic Chemistry Fifth Edition, John Wiley & Sons, New York, 1988, p. 277.

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