![<?echo $_SERVER['SERVER_NAME'];?>](/template/twentyseventeen/skin/images/header.jpg)
The following table shows the solubility products of some poorly soluble compounds and the pH of metal hydroxide precipitates associated with gold , uranium , and copper heap leaching.
Table The solubility product of some compounds related to heap leaching scale (25 ° C)
Compound name | molecular | Solubility product Ksp | pH value | |
Start to precipitate | Complete precipitation | |||
Aluminum hydroxide | Al(OH) 3 * | 1.3×10 -33 | 3.37 | 4.71 |
Iron hydroxide | Fe(OH) 3 | 4×10 -36 | 1.87 | 3.20 |
Ferrous hydroxide | Fe(OH) 2 | 1.9×10 -15 | 6.95 | 8.95 |
Magnesium hydroxide | Mg(OH) 2 | 5×10 -13 | 9.13 | 11.13 |
Copper hydroxide | Cu(OH) 2 | 1.6×10 -19 | 4.67 | 6.67 |
Zinc hydroxide | Zn(OH) 2 | 4.5×10 -17 | 6.04 | 8.04 |
Manganese hydroxide | Mn(OH) 2 | 4×10 -14 | 8.14 | 10.14 |
Calcium carbonate | CaCO 3 | 2.8×10 -9 | ||
Calcium sulfate | CaSO 4 | 9.1×10 -6 | ||
Calcium phosphate | Ca 3 (PO 4 ) 2 | 3.5×10 -33 | ||
Magnesium carbonate | MgCO 3 | 2.1×10 -6 | ||
Calcium hydroxide | Ca(OH) 2 | 5.5×10 -6 | ||
Aluminum hydroxide | Al(OH) 3 ** | 1×10 -13 | ||
*Alkaline dissociation Al(OH) 3 
Al 3 + +3OH -
** Acid dissociation Al(OH) 3 H + +AlO 2 H 2 O - (H 2 AlO 3 - )
Seamless Pipe,Steel Line Pipe,Seamless Steel Tube, seamless tube,boiler steel tube
Hydrogrand Steel Pipe Co.,ltd , https://www.hydrograndtube.com