Standard Buffer Solutions are solutions of standard pH. They are used for reference purposes in pH measurements and for carrying out many pharmacopoeia tests which require adjustments to or maintenance of a specified pH.
| 1x | Pt-Co/ Hazen 200 Colour Reference Standard | EUR 89.00 |
| 1x | Отстъпка за безхартиено копие на Сертификат за анализ | EUR -1.00 |