The TFA Dostmann buffer solution is a testing fluid primarily used for environmental testing. It is identified by the product code 98.1128.04 and is supplied as one piece. This buffer solution is ideal for calibrating instruments that measure pH levels. https://elecena.pl/product/28894227/tfa-dostmann-98-1128-04-buffer-solution-for-calibration-ph-meters 2025-06-02 https://elecena.pl/product/28894227/tfa-dostmann-98-1128-04-buffer-solution-for-calibration-ph-meters 2026-05-15