AMMONIUM BICARBONATE

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€19.00
R0300034
AMMONIUM BICARBONATE
Weight: 5KG
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An inorganic salt used in aqueous solutions with other reagents and inert materials for the preparation of cleaning mixtures and poultices to be applied to stone surfaces and frescoes. The most famous chemical cleaning poultice where Ammonium Bicarbonate is used is AB 57 (I.C.R. formulation - Rome).



PHYSICAL AND CHEMICAL PROPERTIES:



- Formula: NH4HCO3

- Appearance: white powder

- Assay: 21.5% min. of NH3

- pH: 7.6 in 10% aqueous solution
R0300034
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