inhibitor of chrome acid fog
Tetraethyl ammonium, perfluorooctanesulfonate (FC-248)
CAS:56773-42-3
Trade name: FC-248
Chemical name: Tetraethylammonium perfluorooctanesulfonate
Molecular formula :C16H20F17NSO3
Molecular weight :629
Assay: 98%
Appearance :White powder
Surface tension: 22mN/m(0.1% aqueous solution)
Application:
1. Used as chrome-fume suppressor for both decorative and functional chromium plating. (level of addition: 25mg~50mg/ liter )
2. Used as wetting agent, leveling agent and antistatic agent for photographic paper and film
3. Used as wetting agent for glass etching and opacification baths
4. Used as wetting agent for acid baths for metal surface treatment e.g. anodizing baths, chromatizing baths.
5. Used as demould agent for plastic
Package: 25KGS/DRUM
Shipment: General chemicals
Chromic acid fog inhibitor fc-248 Inhibitor of chrome acid fog Tetraethyl ammonium, perfluorooctanesulfonate (fc-248) Cas:56773-42-3 Trade name: fc-248 Chemical name: tetraethylammonium perfluorooctanesulfonate Molecular formula :c16h20f17nso3 Molecular weight :629 Assay: 98% Appearance :white powder Surface tension: 22mn/m(0.1% aqueous solution) Application: 1. Used as chrome-fume suppressor for both decorative and functional chromium plating. (level of addition: 25mg~50mg/ liter ) 2. Used as wetting agent, leveling agent and antistatic agent for photographic paper and film 3. Used as wetting agent for glass etching and opacification baths 4. Used as wetting agent for acid baths for metal surface treatmentâ e.G. Anodizing baths, chromatizing baths. 5. Used as demould agent for plastic Package: 25kgs/drum Shipment: general chemicals.
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The primary use of Ammonium Sulphate is as a fertilizer for alkaline soils. In the soil the ammonium ion is released and forms a small amount of acid, lowering the pH balance of the soil, while contributing essential nitrogen for plant growth. The main disadvantage to the use of Ammonium Sulphate is its low nitrogen content relative to Ammonium Nitrate, which elevates transportation costs. It is also used as an agricultural spray adjuvant for water soluble insecticides, herbicides, and fungicides. There it functions to bind iron and calcium cations that are present in both well water and plant cells. It is particularly effective as an adjuvant for 2,4-D (amine), glyphosate and glufosinate herbicides.
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