ISO 8661:1988 工业用己内酰胺.挥发物含量的测定.蒸馏后滴定法
标准编号:ISO 8661:1988
中文名称:工业用己内酰胺.挥发物含量的测定.蒸馏后滴定法
英文名称:Caprolactam for industrial use — Determination of volatile bases content — Titrimetric method after distillation
发布日期:1988-05
标准范围
挥发性碱在规定条件下在碱性介质中蒸馏,并在存在指示剂的情况下在已知体积的标准体积盐酸溶液中收集。用标准体积氢氧化钠溶液滴定过量的酸。
The volatile bases are distilled in alkaline medium under specified conditions and collected in a known volume of a standard volumetric hydrochloric acid solution in the presence of an indicator. The excess of the acid is titrated with a standard volumetric sodium hydroxide solution.
标准预览图


