• X-HUMATE Na2S Sodium Sulfide Flake

    ITEM
    STANDARD  I
    STANDARD  II
    STANDARD  III
    STANDARD  IV
    Fe
    10ppm max
    30ppm max
    50ppm max
    150ppm max
    Na2S
    60%min
    60%min
    60%min
    60%min
    Water Insolubles
    0.03%max.
    0.18%max.
    0.18%max.
    0.30%max.
    Na2CO3
    1.80%max.
    1.80%max.
    1.80%max.
    3.00%max.
    Na2SO3
    1.00%max
    1.80%max.
    2.00%max.
    2.00%max.
    Na2S2O3
    2.00%max
    2.00%max
    2.00%max
    2.00%max
    Colour
    Yellow