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     Name: Potassium nitrate
    Potassium nitrate

    Product name: Potassium nitrate
    Molecular formula: KNO3
    Molecular weight: 101.1
    IMDG Code: 1486   5.1 class oxidant
    Properties and uses: colorless and transparent orthorhombic or rhombic crystal or white powder, easily soluble in water, soluble in liquid ammonia and glycerin, insoluble in absolute ethyl alcohol and diethyl ether.
    This product is mainly used in producing purple flame, and black powder.
    Standard of industrial potassium nitrate: GB1918-98 and technical index

    Main index

    Unit

    Superior

    Industrial grade

    Agricultural grade

    Ceramic grade

    Content

    %>=

    99.8

    99.6

    99

    96

    Moisture

    %<=

    0.10

    0.10

    0.10

    0.10

    Chloride

    %<=

    0.02

    0.03

    0.03

    0.08

    Water insoluble matter

    %<=

    0.01

    0.01

    0.02

    0.15

    Sulfate

    %<=

    0.02

    0.02

    -

    -

    Iron

    %<=

    0.003

    0.01

    -

    0.003

    Potassium oxide

    %>=

    -

    -

    46.0

    44

    Nitrogen content

    %>=

    -

    -

    13.5

    13.5

    Sodium content

    %<=

    -

    -

    -

    0.007

    Sodium oxide

    %<=

    -

    -

    -

    0.01

    Notes: The production personnel shall wear protective facial mask, to prevent the ingestion of calcium nitrate dust, and to protect the respiratory organ; wear work clothes, and latex gloves, to protect skin.
    Packing: 25/50kg woven bag lined with plastic, or upon customers' request.

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