Code CTS-R0200008CAS 7783-28-0CPV 24300000-7
DAP – Diammonium Phosphate for Hydroxyapatite Consolidation
99% diammonium phosphate for the modern method of consolidating marble and limestone by forming hydroxyapatite (HAP), and also for bone.
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Made to order · 1–3 weeksDocumentsSent by email on request.
Information for public bodies & procurementThe CPV code is indicative — confirm it against the tender notice.
ManufacturerCTS
AvailabilityMade to order · 1–3 weeksfrom the manufacturer (Europe)
CPV code24300000-7Basic inorganic and organic chemicals
Quotations for public bodiesdimosio@artrestorationsupplies.grreply within 1 working day
Manufacturer codeR0200008
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Diammonium phosphate (diammonium hydrogen phosphate, (NH4)2HPO4, CAS 7783-28-0) from C.T.S. In aqueous solution it reacts with the calcium carbonate of the stone to form hydroxyapatite, a mineral of very low solubility with a crystal structure related to calcite, which «binds» the loose grains.
- Purity: 99%; white crystals
- Solubility: 690 g/l in water; pH 8.1 (10% solution)
- Uses: 1–10% solutions in deionised water (brush, poultice or immersion) for consolidating marble, limestone, lime mortars and bone; often with a small addition of CaCl2 or ethanol
- Supplied by: C.T.S. S.r.l. (Italy)
Made to order · imported from abroad. This product is ordered from the manufacturer. Import shipping costs may be added to the price; we confirm them by email before payment.
- You place the order online, without payment.
- We confirm prices, availability and shipping cost and send you the final amount.
- You pay by bank transfer and send the payment slip quoting the order number.
- Shipping by BOX NOW, ACS or freight carrier in Greece, FedEx or DHL abroad. You can see the tracking number in your account.
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