Turmeric Test Strip (Curcumin) MN90747 1 roll

The presence or absence of boron (B), boric acid (H3BO3), and borate ion (B(OH)4-) is detected by impregnating the material with curcumin. Quantitative and semi-quantitative measurements are not possible. When immersed in a solution, the yellow-white test paper changes color from orange to red depending on the concentration. Detection limit: 20 mg/L B Measurable pH value: pH 1 to 2 Test paper size: 20 x 70 mm