描述                                   产品编号 500ml                  产品编号1L           产品编号5L

pH 1.00 ± 0.02 @25°C            1010525                        101025                501025

pH 1.68 ± 0.02@25°C               10168                            1016825           5016825

pH 2.00 ± 0.02 @25°C              1020525                         102025            502025

pH 2.00 ± 0.02@25°C (无汞)     1020255MF                   102025MF        502025MF

pH 4.00 ± 0.01 @25°C               1040525                         104025               504025

pH 6.00 ± 0.01 @25°C               1060525                           106025           506025