推薦產品
等級
purum
品質等級
濃度
33.5-35%
雜質
≤0.003% heavy metals (as Pb)
密度
1.22 g/mL at 20 °C (lit.)
1.31 g/mL at 25 °C
負離子痕跡
chloride (Cl-): ≤0.2%
phosphate (PO43-): ≤1000 mg/kg
sulfate (SO42-): ≤0.2%
正離子痕跡
Fe: ≤100 mg/kg
SMILES 字串
F.F.F[Si](F)(F)F
InChI
1S/F4Si.2FH/c1-5(2,3)4;;/h;2*1H
InChI 密鑰
ZEFWRWWINDLIIV-UHFFFAOYSA-N
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相關類別
一般說明
已经制备了高硅氟硅酸。它们所需的额外二氧化硅含量要比 H2SiF6所代表的组成高18%。已报道了氟硅酸的制备和性质。氟硅酸可以作为磷酸盐肥料的主要副产物获得。可通过氯化钠中和用于制备氟硅酸钠。还可与氨进行中和生成氟化铵和二氧化硅。
應用
氟硅酸 (FSA,H 2 SiF 6 ) 已用于以下研究:
- 含氟市政供水的氟化。
- 碳酸钙的表面改性。
- 二氧化硅的液相沉积(LPD)。
訊號詞
Danger
危險聲明
危險分類
Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1
儲存類別代碼
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
水污染物質分類(WGK)
WGK 2
閃點(°F)
Not applicable
閃點(°C)
Not applicable
個人防護裝備
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Fluosilicic acid.
Journal of Chemical Education, 35(11), 562-562 (1958)
Journal of colloid and interface science, 287(1), 318-325 (2005-05-26)
Liquid phase deposition (LPD) of silica from soluble silicates has been performed in the presence of dodecyltrimethylammonium bromide (DTAB), sodium dodecyl sulfate (SDS) and sodium dodecylbenzyl sulfate (SDBS). The morphology of the silica varies between semi-ordered uniform spheres to low
Neurotoxicology, 28(5), 1032-1042 (2007-04-11)
Silicofluorides (SiFs), fluosilicic acid (FSA) and sodium fluosilicate (NaFSA), are used to fluoridate over 90% of US fluoridated municipal water supplies. Living in communities with silicofluoride treated water (SiFW) is associated with two neurotoxic effects: (1) Prevalence of children with
"Recovery of high surface area mesoporous silica from waste hexafluorosilicic acid (H 2 SiF 6) of fertilizer industry"
Journal of Hazardous Materials, 173(01), 576-580 (2010)
"Concentration and purification of fluosilicic acid by membrane distillation"
Industrial & Engineering Chemistry Research, 39(08), 3038-3041 (2000)
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