Phenolphthalein This is our most popular Phenolphthalein - Phenolphthalein
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Why Buy Phenolphthalein Online from UK Chemical Suppliers, ReAgent Chemicals?
Phenolphthalein is one of the most widely used indicators. It is a white powder in pure form. One of the most frequent uses of this product is for detecting end-points in acid based titrations.For this application, Phenolphthalein is effective for many different acids, such as Hydrochloric Acid.
To detect the strength of Hydrochloric Acid, begin by filling a vessel with Hydrochloric Acid.Then add some indicator, such as Phenolphthalein. It is worth noting at this point that Phenolphthalein cannot be added directly, it should be dissolved in a solvent, for example Industrial Methylated Spirits (IMS) or Denatured Alcohol).
Once the indicator has been added, the solution can then be titrated using a base of a known concentration, for example, Sodium Hydroxide.When the solution turns pink, it shows the end-point of the titration and you can calculate the strength of the Hydrochloric Acid from the amount of Sodium Hydroxide required.
Phenolphthalein is used more often with stronger acids and bases.This is because it takes effect at a relatively high pH, between pH 8.3 and pH 10.Interestingly, Phenolphthalein has been widely used as a laxative since its discovery. Please note however that all products manufactured supplied by ReAgent are not suitable for human consumption unless clearly stated.
To discuss your specific requirement for Phenolphthalein, please complete the enquiry form below or call our friendly and professional Technial Sales staff who will be delighted to give you free technical advice and support, as we do for all our customers.
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