Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement. Typical and custom packaging is available. American Elements produces to many standard grades when applicable, including Mil Spec (military grade) ACS, Reagent and Technical Grade Food, Agricultural and Pharmaceutical Grade Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. High purity, submicron and nanopowder forms may be considered. Sodium Sulfide is generally immediately available in most volumes. Metallic ions can also be dispersed utilizing suspended or coated nanoparticles and deposited utilizing sputtering targets and evaporation materials for uses such as solar energy materials and fuel cells. Organometallic forms are soluble in organic solutions and sometimes in both aqueous and organic solutions. Most metal sulfate compounds are readily soluble in water for uses such as water treatment, unlike fluorides and oxides which tend to be insoluble. Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the hydrogens with a metal. Sodium Sulfide is a moderately water and acid soluble Sodium source for uses compatible with sulfates. reactions that take place within the cell during charge and discharge. Thin Film Deposition & Evaporation Materials General Electric A diagram of General Electric's sodium - sulfur cell is given.Battery charge is accomplished by C / 10 and C / 30 constant current chargers. Additive Manufacturing & 3D Printing Materials Preliminary results of investigations of a sodium - sulfur reversible. Solubility Many sulfide salts are insoluble in acidic or basic solution: Acidic: PbS, Bi 2 S 3, CuS, CdS, HgS, As 2 S 3, Sb 2 S 3, SnS 2 Basic: CoS, FeS, MnS, NiS, ZnS Those salts that are insoluble in acidic solution are also insoluble in basic solution.
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