GTR10009838

1x20 SACHET 25 mL EC 12880 µS/cm ± 1% / 25 °C, with Certificate of Analysis

GTR10009685

1x20 SACHET 25 mL EC 1413 µS/cm ± 1% / 25 °C, with Certificate of Analysis

GTR10009892

1x20 SACHET 25 mL pH 4,01 ± 0,02 / 25 °C (red), with Certificate of Analysis

GTR10009638

1x20 SACHET 25 mL pH 10,01 ± 0,02 / 25 °C (yellow), with Certificate of Analysis

GTR10009967

1x20 SACHET 25 mL pH 7,00 ± 0,02 / 25 °C (green), with Certificate of Analysis