ammonium bifluoride
[Quality standard]:
Index Name High class Grade Grade
Ammonium Bifluoride (NH4HF2) ≥ 97.0 95.0
Dry Loss ≤ 3.0 5.0
Residue on Ignition ≤ 0.2 0.2
Sulphate (SO4) ≤ 0.1 0.1
Ammonium Fluosilicate (NH42SiF6) ≤ 2.0 4.0[Quality standard]:
Index Name High class Grade
Ammonium Bifluoride (NH4HF2) ≥ 97
Dry Loss ≤ 3
Residue on Ignition ≤ 0.2
Sulphate (SO4) ≤ 0.1
Ammonium Fluosilicate (NH42SiF6) ≤ 2.0[Application]: It is used as glass etchant, antiseptic, disinfector, analytical reagent, the solvent in beryllium producing beryllium metal and the treatment of the surface of silicon steel plate. It is also used as the oxidant in producing pottery and aluminum magnesium alloy, the cleaning agent of boiler water-supply system and evaporator system, the acidification treatment of sand in oil field, the fluorination reagent in organic synthesis and the extraction of rare element.[Packing]: Polyethylene weaving inner lined with plastic bag. Net weight is 25kg.
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Sodium fluoride |
[Quality standard]qualified with the standard [GB4293-84] excellent grade.
Index item Standard content（%） Test result
Sodium fluoride（NaF） ≥98 9... |
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sodium fluorosilicate |
Quality standard]:qualified with the standard [GB23936-2009].
Item Standard values(%) Test result
Appearance White powder White powder
Sodium fl... |
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ammonium bifluoride |
[Quality standard]:
Index Name High class Grade Grade
Ammonium Bifluoride (NH4HF2) ≥ 97.0 95.0
Dry Loss ≤ 3.0 5.0
Residue on Ignition ≤ 0.2 0.2
S... |
|
|
sodium fluoride |
[Quality standard]qualified with the standard [GB4293-84] excellent grade.
Index item Standard content（%） Test result
Sodium fluoride（NaF） ≥98... |
|
|
Sodium fluorosilicate |
[Quality standard]:qualified with the standard [GB23936-2009].
Item Standard values(%) Test result
Appearance White powder White powder
Sodium fluo... |
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