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Phenolphthalein 1% Solution

Phenolphthalein 1% Solution
Product Code :  S3201261-500MLPrice:  £7.86 /500ml(Exc. 20% VAT)Saver Points: 14

Only available for schools & colleges to order.

Product Code :  S3201261-500ML
Assay:  0.01%
Index No.:  Not listed
EC No.:  N/A
Formula:  N/A
Synonyms:  0
Info:  pH 8.3-10.0
UN Hazard Class:  3
UN Number:  1170
UN Packing Group:  II

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Q = Should the Phenolphthalein solution be used neat, straight from the bottle? When using it neat it caused the solutions being tested to go a cloudy white colour. This does not happen when we make a Phenolphthalein solution ourselves.
A = The Phenolphthalein solution we sell is a 1% solution, but when you make it up I think it is normally a 0.1% solution (1g solid Phenolphthalein dissolved in 600 – 700ml meths (IDA) and made up to one litre with water).
 It might be worth diluting the stock solution down to 0.1% and seeing if this gives good results?

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