hopeite


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Related to hopeite: parahopeite

hopeite

[′hō‚pīt]
(mineralogy)
Zn3(PO4)2·4H2O A gray, orthorhombic mineral composed of hydrous phosphate of zinc; specific gravity is 2.76-2.85; dimorphous with parahopeite.
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59[degrees], respectively, for a 20 value of phosphophyllite (100) and hopeite (020).
The globular-shaped crystal structure in phosphated Sample A showed the presence of phosphophyllite as the main crystal, whereas the plate-shaped crystals in phosphated Sample B showed the presence of hopeite as the main crystal.
On the other hand, a phosphate coating that consists of a low P ratio, a major hopeite structure, coarse crystals (25-30 [micro]m), a comparatively thicker coating (3-3.
The levels of magnesium and calcium in the water will not agglomerate hopeite, so the particle size in solution is maintained thus extending the bath life.
The hopeite surface conditioner can eliminate all of the traditional concerns that accompany titanium-based conditioners while reducing both manufacturing facility operational costs and environmental concerns.
2] Crystal Size on CRS 2 - 15 [micro] 2 - 5 [micro] Tolerance to Hard Water salts Poor Excellent Bath Life Up to 4 weeks Up to 6 months Water High Low Consumption Table 2 Ti-based Hopeite Surface area [m.