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单词 platinotype
释义

platinotype

/ˈplatɪnəʊtʌɪp/ /ˈplat(ə)nəʊtʌɪp/
Photography. Now historical
noun
1A print produced by the platinotype process.
2An early photographic process producing prints in platinum black, using paper coated with a solution of potassium chloroplatinite, K2PtCl4, and ferric oxalate, and developed in hot potassium oxalate solution. Usually attributive.

Origin

Mid 19th century; earliest use found in Robert Hunt (1807–1887), chemist and photographer. From platinum + -o- + -type.

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更新时间:2026/5/29 7:24:01