Uses of Di-sodium Tetraborate

Buffer Solutions:

Borax is used to prepare buffer solutions, especially those with a pH around 9, due to its ability to maintain a stable pH.

Analytical Chemistry:

It serves as a reagent in analytical chemistry, particularly for the determination of metal ions such as calcium and magnesium.

Flame Retardant:

Borax is sometimes used as a flame retardant in materials testing and fireproofing treatments.

Solubility Enhancement:

It can be used to enhance the solubility of certain substances in aqueous solutions.

Microscopy:

Borax solutions are used in microscopy as a mounting medium for specimens.

Photography:

Borax has historical use in photographic processes, although modern methods have largely replaced it.