ISO 6794-1981 标准详情
- 标准号:ISO 6794-1981
- 中文标题:工业用丁烷-1,4-二酚.不饱和度的测定
- 英文标题:butane-1,4-diol for industrial use-determination of degree of unsaturation
- 标准类别:国际标准化组织标准ISO
- 发布日期:1981-10-15
A test portion is treated with a solution of bromine in absolute methanol saturated with sodium bromide (Kaufman solution). After addition of potassium iodide solution the liberated iodine is titrated with standard volumetric sodium thiosulfate solut
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