单词	sulphamic acid
释义	sulphamic acid /sʌlˈfamɪk / (also sulfamic acid) noun [mass noun] Chemistry A strongly acid crystalline compound used in cleaning agents and to make weedkiller. Chemical formula: HOSO2NH2. The R1 working reagent contains 85 mmol / L of sodium acetate buffer, 110 mmol / L of sulfamic acid, surfactant, and ‘solubilizer.’... When the calcite was dissolved with dilute sulfamic acid, it was noted that white semitranslucent florets of datolite occurred on the crystalline copper. It wasn't until a few days later, when the copper specimens had been cleaned in a sulfamic acid solution, that we realized what we had found. Origin Mid 19th century: sulphamic from sulphur + amide + -ic.
随便看	Reuter, Paul Julius Reuters Reuther, Walter reutilise reutilization reutilize reutter rev Rev. revaccinate revaccination Revalenta revalescence revalidate revalidation revalorisation revalorise revalorization revalorize revaluate revaluating revaluation revalue revamp revanchard

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