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Why is sand used when grinding for extraction?

usually, when leaves are grinded for extracts, sand is used... What is its purpose?

2007-05-30 18:04:23 · 1 answers · asked by abz 1 in Science & Mathematics ➔ Chemistry

1 answers

Sand contains quartz which is extremely hard.

2007-05-31 06:19:59 · answer #1 · answered by ag_iitkgp 7 · 0⤊ 0⤋

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