Polarised light micrograph of crystals of a mixture of iron, aluminium, ammonium and potassium sulphates. Potassium aluminium sulphate or potash alum is used primarily for water purification, fireproof textiles and as an E number (E522) in the food industry. It finds uses in the cosmetic industry where it is employed in deodorants and as a styptic for bleeding after shaving. Magnification: x70 when printed at 10cm wide.

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Creative#:

TOP25734640

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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N/A

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No

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