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How and why do you analyse trace metal content?

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To improve the quality of the separation, SiliCycle manufactures silica gels with very low trace of metal content.

All silica gels are analyzed down to ppm level for more than 45 metals by ICP-OES or ICP-MS, and reach up to 99.4 % silica purity.

This minimizes any issues from metal oxides that may act as Lewis acids, and prevents tailing of most polar compounds (frequently ionizable) usually caused by silica with a high metal content.

 

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