Some samples may also contain a sulfate group.

No, of course not. Just lowgrade iron pyrites.

In practice, the proteins are denatured in a solution containing a detergent (SDS).

Aluminium sulfate (Al2(SO4)3 (H2O)18) is produced on the annual scale of several billions of kilograms.

References Anglo American The Alternative Report External links Anglo American Platinum 2007 annual report award for Anglo Platinum

We have to go in with protective suits and breathing gear, and 30 parts per million of H2S will kill you.

Iron(III) sulfate (or ferric sulfate), is the chemical compound with the formula Fe2(SO4)3, the sulfate of trivalent iron.

Aluminium ammonium sulfate, which is also called ammonium alum, (NH4)Al(SO4)2 12H2O, is used as a mordant and in leather tanning.

Magnesium sulfate (or magnesium sulphate) is an inorganic salt (chemical compound) containing magnesium, sulfur and oxygen, with the formula MgSO4.

One of the most common alternative treatments is berberine sulfate (found in Oregon grape root, goldenseal, yellowroot, and various other plants).

Outside of red blood cells, good ferrous iron the only oxygen carrying form is oxidized uncontrollably to form the bad ferric and ugly ferryl forms of hemoglobin.

Where limestone has been used, such as at Cwm Rheidol in mid Wales, the positive impact has been much less than anticipated because of the creation of an insoluble calcium sulfate layer on the limestone chips, binding the material and preventing further neutralization.

(2006), when treating wastewater from metal refinery process (1.0 1.5 g NH4 N L and up to 22 g L of sodium sulphate), removed a nitrogen loading rate of 1.0 kg N m3 d with an efficiency of 95 in a system containing autotrophic granules.