标液浓度1mg/L，正常标定是1的，现在标来标去都不超过0.1，现在已加急定制1.5mg/L再测试，想问下什么原因？
标[img=,690,322]https://ng1.17img.cn/bbsfiles/images/2019/05/201905161155284389_6508_3912263_3.jpg!w690x322.jpg[/img][img=,690,322]https://ng1.17img.cn/bbsfiles/images/2019/05/201905161155379793_8372_3912263_3.jpg!w690x322.jpg[/img]标液吸光度低？[img=,560,395]https://ng1.17img.cn/bbsfiles/images/2019/05/201905161157593694_5652_3912263_3.png!w560x395.jpg[/img]