For calibration of pH measurement. Buffer solutions in the double-end ampoules offer a particularly high degree of reliability and measuring accuracy.
Obj. číslo | 9.774 334 | 9.041 081 | 7.022 793 | 9.041 066 | 9.774 331 | 9.774 333 |
---|---|---|---|---|---|---|
Article Packing Unit | 1 | 1 | 1 | 1 | 1 | 1 |
Package contents | 60 ampoules | 3 x 20 ampoules | 60 ampoules | 2 x 9 ampoules incl. electrolyte solution | 2 x 30 ampoules | 60 ampoules |
Sales Packing Unit | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
pH- value at 25 °C | 7.00 | 4.00 / 7.00 / 10.01 | 10.01 | 4.00 / 7.00 | 4.00 / 7.00 | 4.00 |