Tribasic lead sulfate | Global Trade leader ecrobot

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Tribasic lead sulfate

Posting date : Feb 24, 2009

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CHEMICAL | Inorganic

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28-

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Molecular formula: 3PbO ·PbSO4·H2O Molecular weight: 990.86 Property: It is white, sweet and toxic powder with the specific gravity of 7.10. It can dissolve in nitric acid, hot thick hydrochloric acid, ammonium acetate and sodium acetate, partly in acetic acid, but not in water. It will turns to yellow when loses the crystal water at 135℃, it turns to yellow under sunlight, especially in wet condition. Application: Mainly used for the heat stabilizer of PVC opaque or semi opaque products. Package: Plastic weaved bag, lined with PE bag, and 25Kg weight. Storage: It is toxic inorganic product, so it should be kept in a dry and cool storage house with good ventilation, and cannot be stored or transported with food. Product quality HG/T 2339-2005 Index Best quality First quality Appearance White powder without evident mechanical impurity White powder without evident mechanical impurity Lead oxide (PbO)， % 89.0±1.0 89.0±1.0 Sulfur trioxide (SO3)，% 7.5-8.5 7.5-8.5 Heating loss ， % ≤ 0.30 0.40 Fineness（0.075 mesh）, % ≥ 99.70 99.60 Whiteness, % ≥ 90.0 90.0