1、首先将整瓶N1-100粉末试剂,全部倒入烧杯中。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/c8ea15ce36d3d5397108be9b3587e950352ab0b5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、然后量取100ml蒸馏水。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/bd315c6034a85edf867b487b46540923dc5475f6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、接着将蒸馏水引入烧杯中。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6a600c338744ebf8a243d567d6f9d72a6059a7bc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、然后将试液搅拌使其溶解。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/faf2b2119313b07e198fe15003d7912397dd8cbc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、接着加入棕色试剂瓶。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/fc1f4134970a304e061f11a2dec8a786c9175cac?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、最后配制完成,张贴标签。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/1f178a82b9014a9084c9f0e5a6773912b21beef7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
注意事项:
缓冲溶液的缓冲能力与组成缓冲溶液的组分浓度有关。0.1mol·L-1HAc和0.1mol· L-1NaAc组成的缓冲溶液,比0.01mol·L-1HAc和0.01mol·L-1NaAc的缓冲溶液缓冲能力大。关于这一点通过计算便可证实。但缓冲溶液组分的浓度不能太大,否则,不能忽视离子间的作用。