Colorless transparent prismatic or white particles or crystalloid powder. Spicy taste and salty have cool feeling. Micro hygroscopic, hygroscopicity than sodium nitrate for small. After 400 ℃ when the breakdown escaping oxygen. 1g soluble in water, 2.8 ml of 0.5 ml boiling water, 620ml ethanol. Soluble in glycerin, insoluble in anhydrous alcohol. Soluble in water can absorb heat lower temperature. Aqueous pH of about seven. The relative density (2.109 d164). Melting point ℃ 334. Have strong oxidizing, with organic friction or impact can also cause burns or explosion. Half the lethal dose (rabbit, classics mouth) 1.166 g (anion) / kg.For making gunpowder, glass, matches, and used as manure and analytical reagents etc,
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Index
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Industrial grade
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KNO 3 %
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99.7%
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N%
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13.5
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K2O %
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46.5
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Moisture %
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0.10
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Chloride (Cl) %
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0.02
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Water insoluble matter %
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0.02
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Sulfate (SO4)%
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0.01
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