Dissolved in nitric acid and hot concentrated sulfuric acid, it generates mercuric nitrate and mercuric sulfate, respectively, and mercurous salts appear in excess of mercury. It can dissolve many metals and form alloys, which are called amalgam. The valences are +1 and +2. Similar to silver, mercury can also react with hydrogen sulfide in the air. Mercury has a constant coefficient of volume expansion, is less metal active than zinc and cadmium, and cannot displace hydrogen from acid solutions. Generally, the valence of mercury compounds is +1 or +2. Mercury compounds with a valence of +4 have only mercury tetrafluoride, and mercury compounds with a valence of +3 do not exist.
Virgin Mercury purity = 99.99G% by wt min. – Free from heavy metals – Packing iron cylinder ( 34.5)kg net weight – Physical State: Liquid – Appearance: silver – Odor: odourless – PH: Not available. – Vapor Pressure: 0.002 mm Hg @ 25C – Vapor Density: 7.0 – Evaporation Rate: Not available. – Viscosity: 15.5 mP @ 25 dig C – Boiling Point: 356.72 dig C – Freezing/Melting Point:-38.87 dig C – Decomposition Temperature: Not available. – Solubility: Insoluble. – Specific Gravity/Density: 13.59 (water=1) – Molecular Formula :Hg – Molecular Weight: 200.59 packed in 34.5 kg flasks



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