英语词汇“metol”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	metol
释义	metol metol (ˈmiːtɒl) n (Elements & Compounds) a colourless soluble organic substance used, in the form of its sulphate, as a photographic developer; p-methylaminophenol. See also aminophenol[C20: from German, an arbitrary coinage] Metol Metol p-methylaminophenol sulfate; colorless crystals. Melting point, 250°C (with decomposition). Insoluble in ordinary organic solvents; solubility in water, 5 g per 100 g at 25°C . Oxidizes gradually in aqueous solutions. Metol is used in photography as a developer, both alone and in combination with other developing agents (for example, hydroquinone). metol metol (mĕ′tŏl) Monomethy-p-aminophelol sulfate, one of two developing agents used in radiographic developing solutions. Its primary function is to act quickly to bring out the shades of gray in a radiographic image.
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metol