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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产品质量标准】：符合国标（GB23936-2009）一级品指标要求。
指标项目 标准值(%) 实测值
外观 白色粉末 白色粉末
氟硅酸钠 (Na2SiF6) ≥99 99.0
105℃干燥失重 ≤0.30 0.30
游离酸 (as HCL) ≤0.10 0.047
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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 fluo... |
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氟化钠 |
【产品质量标准】：符合国标（GB4293-84）一级品指标要求。
指标项目 国标含量（%） 实测值（%）
氟化钠含量（NaF） ≥98 98.76
二氧化硅含量（SiO2） ≤0.5 0.45
硫酸盐含量（SO4） ≤0.3 0.05
酸度含量（HF） ≤0.... |
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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... |
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