red phosphorus

collocation in English

meaningsofredandphosphorus

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withphosphorus.
red
adjective
uk
/red/us
/red/
of the colour of ...
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phosphorus
noun[U]
uk
/ˈfɒs.fər.əs/us
/ˈfɑːs.fɚ.əs/
a poisonous chemical element that is usually yellowish-white or sometimes red or black in colour, shines in the dark, and burns when in ...
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(Definition ofredandphosphorusfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofred phosphorus

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
It has the same crystal structure asredphosphorusand black arsenic, it oxidizes in air and may ignite spontaneously.
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Iodoalkanes may similarly be prepared usingredphosphorusand iodine (equivalent to phosphorus triiodide).
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The safety match patent included the combination of usingredphosphorusand separating it from the stick.
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Due to its listed status and closely monitored sales, clandestine chemists now useredphosphorusand iodine to generate hydroiodic acid "in situ".
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In the laboratory it may be more convenient to use the less toxicredphosphorus.
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The strike plate to ignite the match may contain one more of the following: glass particles,redphosphorusand glue.
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The codeine is retrieved from over-the-counter medicine and is then mixed with alcohol, gasoline,redphosphorus, iodine, hydrochloric acid and paint thinner.
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This method cuts out the need for anhydrous ammonia as well asredphosphorus.
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Subsequent treatment with hydrogen iodide andredphosphorusremoved the tosyl group and hydrolysed both remaining ester groups to form diacid 13.
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Its primary ingredients areredphosphorusand strong oxidizer, such as potassium chlorate and potassium perchlorate.
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Phosphides arise by reaction of metals withredphosphorus.
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Copper phosphide can be produced in a reverberatory furnace or in a crucible, e.g. by a reaction ofredphosphoruswith a copper-rich material.
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Upon further heating, the amorphousredphosphoruscrystallizes.
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The safety match used the non-poisonousredphosphorusthat was placed on the striking surface, not the match itself.
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Clandestine chemists react pseudoephedrine (recovered from nasal decongestant pills) with hydroiodic acid andredphosphorusunder heat.
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Redphosphorus, used as a charring-promoter flame retardant, facilitates silver migration when present in packaging.
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The second most popular method usesredphosphorus, iodine, and ephedrine in the reaction.
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It fired aredphosphorusround that would explode after travelling 8 m on hard contact, or after 1.3 seconds by fuse.
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Another problem was that the production ofredphosphoruswas prohibitively expensive making the final matches very expensive.
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These were sticks with one end made of potassium chlorate and the other ofredphosphorus.
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Wikipedia
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Want to learn more?
Go to the definition ofred
Go to the definition ofphosphorus
See other collocations withphosphorus