Friday, 8 July 2011

Ultra fine Zinc Powder - 900 mesh - 99 % - 100 g

Chemical formula: Zn

Synonyms: zinc dust

Amount: 100 g

Appearance and odour: very fine dark powder, without appreciable odour.

Grade: 99 %.

Packaging: professional wide necked, white HDPE bottle with blue conical seal cap and tamper ring. Labeled. Bottle and cap are UN approved and reusable.

Description and uses: Ultra fine zinc powder (2 - 3 micron!) of high chemical purity.

To a first user of this product the powder may appear quite lumpy, thereby hiding its ultrafine nature. Fine powders tend of course to somewhat clump together and the powder of a fairly soft, reactive and quite pure metal like zinc is no exception. Very gently crushing the product on a smooth but hard surface and pestle, dispersion into a dry mix or dispersion into a liquid by means of vigorous stirring will cause any aggregates to completely break up.

In inorganic and organic chemistry zinc powder finds use as a powerful reducer, during which it oxidises to Zn (+II) which can be complexed (for separation purposes) with ammonia.

Dispatch: depending on time of receipt of your order, your item will be dispatched either same day or next day at the latest.

Feedback & Complaints: not happy about something? Let us know first before you leave any feedback and we’ll bend over backwards to overcome the problem. Positive feedback always reciprocated.

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