-
- Powders & Dyes
Phenolphthalein ACS Reagent
- R7,227.00 Ex VAT
- Phenolphthalein is a commonly used pH indicator in acid-base titrations. It remains colorless in acidic solutions and changes to pink in basic solutions (pH above 8.2), making it an effective tool for visually identifying the endpoint of a titration.
- Add to cart
-
- Powders & Dyes
Bromocresol purple ACS Reagent, Dye content 90 %
- R5,495.00 Ex VAT
- Bromocresol Purple is a dye of the triphenylmethane family (triarylmethane dyes) and serves a pH indicator and many other testing procedures.
- Add to cart
-
- Powders & Dyes
Giemsa Stain Powder
- R4,135.00 Ex VAT
- Giemsa Stain Powder is a dry mixture of dyes used to prepare Giemsa stain, which is frequently utilized in microscopy for visualizing blood cells and parasites such as Plasmodium (the causative agent of malaria). It colours nuclei blue to purple and imparts a pale pink hue to the cytoplasm, facilitating a detailed analysis of cell morphology.
- Add to cart
-
- Powders & Dyes
Bromothymol Blue ACS Reagent Dye Content 95%
- R3,449.00 Ex VAT
- Bromothymol Blue is a pH indicator dye that changes color according to the acidity or alkalinity of a solution.
- Add to cart
-
- Powders & Dyes
Methylene Blue (Zinc Free)
- R3,146.00 Ex VAT
- Methylene Blue (Zinc Free) is a laboratory-grade dye that serves as both a biological stain and a redox indicator.
- Add to cart
-
- Powders & Dyes
Methyl Red (ACS Reagent Crystalline)
- R1,274.00 Ex VAT
- Methyl Red is a pH indicator dye that shifts color according to acidity levels. It appears red in acidic solutions (pH below 4.4) and yellow in basic solutions (pH above 6.2), featuring an orange transition in between. This dye is widely used in microbiology and chemical titrations to monitor pH changes.
- Add to cart





