The following solution is titrated and is at its equivalence point: HF+ KOH. Bromothymol blue is an indicator that causes solutions to change color. It is yellow in pHs below 6.5, green from 6.5 to 7.5, and blue above 7.5. If bromothymol blue is added, wh ...
byTufts University Sensing threads prepared with bromothymol blue (top thread), methyl red (middle thread) and MnTPP (bottom thread) are exposed to ammonia at 0 ppm (left panel) 50 ppm (middle panel) and 1000 ppm (right panel). Credit: Rachel Owyeung, Tufts University, Nano Lab Tufts Un...
byTufts University Sensing threads prepared with bromothymol blue (top thread), methyl red (middle thread) and MnTPP (bottom thread) are exposed to ammonia at 0 ppm (left panel) 50 ppm (middle panel) and 1000 ppm (right panel). Credit: Rachel Owyeung, Tufts University, Nano Lab Tufts Un...