中华人民共和国生活饮用水标准检验方法GB5750—85.9.1规定了甲、乙、丙3种标准缓冲溶液的配制方法。但是只明确了苯二甲酸氢钾、磷酸二氢钾和磷酸氢二钠应在105℃烘干2h。没有明确硼酸钠Na_2B_4O_7·10H_2O的处理条件或往意事项。理化检验室配制标准溶液或标定标准溶液的基准物质,绝大多数必须干燥,恒重,冷却至室温再准确称量。但是事实上并不完全如 People’s Republic of China drinking water standard test method GB5750-85.9.1 provides A, B, C three kinds of standard buffer solution preparation method. However, it is only clear that potassium hydrogen phthalate, potassium dihydrogen phosphate and disodium hydrogen phosphate should be dried at 105 ℃ for 2h. There is no clear sodium borate Na_2B_4O_7 · 10H_2O processing conditions or aspirations. Physical and chemical laboratory preparation Standard solution or calibration standard solution of the reference material, the vast majority must be dry, constant weight, cooled to room temperature and then accurately weighed. But in fact not exactly