hemihydrate


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hemihydrate

(hĕm″ē-hī′drāt)
A chemical compound with one molecule of water for every two molecules of the other substance. In dentistry, calcium sulfate hemihydrate is mixed with water to produce a hardened plaster or stone (calcium sulfate dihydrate), which, in turn, is commonly used to produce dental models.
References in periodicals archive ?
Fars, "Analysis and Optimization of Using Hemihydrates Plaster ([beta]) for Casting Mould in Sanitary ware Industry," Ceram.
Next, CS-PRP was obtained by mixing hemihydrate CS with PRP, and the powder (CS) to liquid (PRP) ratio was 1 g of CS to 240 [micro]l of PRP.
Recently, Ng (2009) (29) reported a "second monoclinic modification" for triphenylphosphine oxide hemihydrate, [C.
Due to the hemihydrate is an intermediate phase between the dihydrate and the anhydrous, which is metastable at all temperatures, in standard analyses of the Ca-S[O.
covering the hemihydrate form of Paxil is valid but not infringed by Apotex' product.
Franklin Fiber calcium surfate microfiber filler available in two forms: hemihydrate (H-30) and anhydrous (A-30).
Therefore it was felt by the authors that titanium dioxide (powder) could be combined with the hemihydrate of calcium sulphate and water to form a composite with the calcium sulphate serving as a binder for titanium dioxide enabling it to be contained in a defect.
deals with one of the most economically perspective technogenic waste extractive hemihydrate phosphogypsum was investigated.
Adverse effects after switching to a different generic form of paroxetine: Paroxetine mesylate instead of paroxetine KCI hemihydrate [in Dutch].
The curves in Figure 1, prepared from solubility data reported by Slack (1968), show that at temperatures higher than the equilibrium temperature the dihydrate and hemihydrate curves diverge more sharply at 32% [P.
Commercially available calcium sulfate hemihydrate (CSH) powders were mixed with anhydrous calcium hydrogen phosphate (monetite) in order to develop a novel resorbable orthopedic cement.