Difference between revisions of "Rubber policeman"
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| − | A '''rubber policeman''' (or just '''policeman''') is a hand-held flexible natural | + | A '''rubber policeman''' (or just '''policeman''') is a hand-held flexible natural rubber scraper, used in labs during gravimetric analysis, where delicate and precise weighting is required. |
==General== | ==General== | ||
The common type of policeman consist of a scalpel-like rubber scraper, with a hollow tube which allows it to be attached to a glass rod. | The common type of policeman consist of a scalpel-like rubber scraper, with a hollow tube which allows it to be attached to a glass rod. | ||
| − | Plastic policemen are very similar in construction to plastic | + | Plastic policemen are very similar in construction to plastic [[spatula]]s, though the policemen have more fine edges. Metal versions are indistinguishable from microspatulas. |
==Availability== | ==Availability== | ||
Latest revision as of 16:43, 30 December 2019
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A rubber policeman (or just policeman) is a hand-held flexible natural rubber scraper, used in labs during gravimetric analysis, where delicate and precise weighting is required.
Contents
General
The common type of policeman consist of a scalpel-like rubber scraper, with a hollow tube which allows it to be attached to a glass rod.
Plastic policemen are very similar in construction to plastic spatulas, though the policemen have more fine edges. Metal versions are indistinguishable from microspatulas.
Availability
Rubber policemen can be bought from lab suppliers or online.
DIY rubber policeman
Certain beekeeping tools, like the rubber pen, can be used as policemen.
