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Bromothymol blue ACS

Catalog Number: (0431-25G)

Supplier: VWR Chemicals

Description: pH indicator goes from yellow to blue over a range of 6.0 to 7.6. Used to trace movement of fluids from the lymph and also for demonstration of fungal hyphae within plant roots.

UOM: 1 * 25 g

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Methylene blue solution, Sigma-Aldrich®

Catalog Number: (77515-100ML-F)

Supplier: SIGMA ALDRICH MICROSCOPY

Description: Loefflers Methylene Blue stain is used for the identification of diphteria bacilli, since it differentiates the deeply staining metachromatic granules from the pale blue-staining cytoplasm.

UOM: 1 * 100 mL

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Bromothymol blue 0,04% in ethanol, TECHNICAL

Catalog Number: (34303.234)

Supplier: VWR Chemicals

Description: Bromothymol blue 0,04% in ethanol, TECHNICAL

UOM: 1 * 250 mL

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Tetrabromophenol blue, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Description: Tetrabromophenol Blue (TBPB) belongs to the group of sulfonephthalein acid-base indicators. It is employed in the potentiometric titration of the halogens with Hg₂(NO₃)₂. In addition, it has been used as a dye indicator in urine dipstick test to detect proteinuria. In this assay, with increasing concentration of urinary protein, TBPB sequentially changes colour from pale green to blue. Binding of TBPB to proteins is dependent on pH.