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2. Mars habitability analogue environments on Earth - Wikipedia

   en.wikipedia.org/wiki/Mars_habitability_analogue...

   The orbital observations are consistent with iron sulfate or a mixture of calcium and magnesium sulfate. [66] Magnesium sulfate is a likely component of cold brines on Mars, especially with the limited availability of subsurface ice. Terrestrial magnesium sulfate lakes have similar chemical and physical properties.

3. Iron(II) sulfate - Wikipedia

   en.wikipedia.org/wiki/Iron(II)_sulfate

   Iron(II) sulfate outside a titanium dioxide factory in Kaanaa, Pori, Finland. Upon dissolving in water, ferrous sulfates form the metal aquo complex [Fe(H 2 O) 6] 2+, which is an almost colorless, paramagnetic ion. On heating, iron(II) sulfate first loses its water of crystallization and the original green crystals are converted into a white ...

4. Drowning detection system - Wikipedia

   en.wikipedia.org/wiki/Drowning_detection_system

   Drowning detection systems are systems designed to improve safety by reducing drowning deaths [1] and injuries in public and private pools, [2] waterparks, thermal baths, [3] spa facilities, beaches, or other natural bodies of water smart beach.

5. Coagulation (water treatment) - Wikipedia

   en.wikipedia.org/wiki/Coagulation_(water_treatment)

   An automated device for determining the coagulant dose is the Streaming Current Detector (SCD). The SCD measures the net surface charge of the particles and shows a streaming current value of 0 when the charges are neutralized (cationic coagulants neutralize the anionic colloids). At this value (0), the coagulant dose can be said to be optimum. [1]

6. Iron compounds - Wikipedia

   en.wikipedia.org/wiki/Iron_compounds

   The iron compounds produced on the largest scale in industry are iron(II) sulfate (FeSO 4 ·7H 2 O) and iron(III) chloride (FeCl 3). The former is one of the most readily available sources of iron(II), but is less stable to aerial oxidation than Mohr's salt ((NH 4) 2 Fe(SO 4) 2 ·6H 2 O). Iron(II) compounds tend to be oxidized to iron(III ...

7. Fenton's reagent - Wikipedia

   en.wikipedia.org/wiki/Fenton's_reagent

   Fenton's reagent is a solution of hydrogen peroxide (H 2 O 2) and an iron catalyst (typically iron(II) sulfate, FeSO 4). [1] It is used to oxidize contaminants or waste water as part of an advanced oxidation process. Fenton's reagent can be used to destroy organic compounds such as trichloroethylene and tetrachloroethylene (perchloroethylene).