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单词 metol
释义

metol

/ˈmɛtɒl /
noun [mass noun]
A soluble white compound used as a photographic developer.
  • A sulphate of 4-methylaminophenol (chemical formula: CH3NHC6H4OH).
Developing agents most readily available were metol, hydroquinone, and Phenidone....
  • This is because they mostly contain two developing agents: either phenidone or metol, which effectively develop the lighter image tones, with hydroquinone, which is responsible for the heavier densities.
  • As I have explained in my Print Solarization article, the best developer for the Sabatier effect is one that contains metol only.

Origin

Late 19th century: from German, arbitrarily named by the inventor.

Rhymes

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更新时间:2025/2/3 9:17:33