CONGO RED INDICATOR / MERAH CONGO INDIKATOR

CONGO RED INDICATOR BERAT: 100 GR dan 25 GR pH Transition Range: pH 3.0 - 5.2 (Violet - Orange Red) Absorption maximum 1(pH 3.0): 563 - 568 nm Absorption maximum 2 (pH 5.2): 484 - 489 nm Absorptivity (A1%/1 cm at 1, pH 3.0 on dried substance): gt; 150 Absorptivity (A1%/1 cm at 2, pH 5.2 on dried substance): gt; 200 HARAP TANYAKAN STOK SEBELUM MEMBELI