How To Remove Iron Oxide From Quartz
Cola may be the best option.
How to remove iron oxide from quartz. It can be seen that the highest Fe removal rate was observed with 03 M oxalic acid. There are a number of methods for rust removal. Water softener sometimes works.
10 1000 µg Quartz SiO 2. Cator of metal removal and purification of quartz sand. There is a product called Iron Out that removes iron oxide from quartz.
The hydrogen combines with the oxygen in the iron oxide to form water. Simply shoot the water spray at the quartz crystal and watch the stains disappear. When the iron III oxide particles adhering to the quartz plate were removed by the electro-osmotic flow or the ordinary Poiseuille flow the removal efficiency increased with increasing hydrodynamic force.
But from EHS point of waste acid disposal one can think of H2SO4 at certain concn. Oxidation followed by filtration through quartz sand dual media filter. This will remove iron oxide red stains hematite some black stains calcite other metallic stains and clay if you have not already removed the clay by another method.
When the specimens look clean remove them with rubber gloves or tongs and then run them under water from a hose. Phosphoric acid H 3 PO 4 was firstly used to remove iron impurities at very low concentrations from quartz sand under ultrasound irradiation with higher efficiency simpler technology and is less harmful to the target product compared with the other comparable methods that use industrial strong acids such as sulfuric H 2 SO 4 hydrochloric HCl and. Cleaning Herkimer Diamond Quartz Crystals with lukewarm water and Iron Out powder.
This will work for most iron stains on your quartz. Let your specimens soak for one to several days. I used the gel version but there is also a powdered version that I may get next time since well be doing this often.