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CAS no Activated Alumina : 1344-28-1
GRADE | (Instrument - Air Drying Grade) |
From | Beads |
Size (mm or mic) | 5-8 / 3-5 |
Bulk density (gm/lit) | 0.75-0.85 |
Surface area (m2 / gm) | 345-415 |
Pore Volume (cc/gm) | 0.40-0.50 |
Adsorption Capacity (60 % RH) | 21.5 |
Attrition Loss (%) | 0.2 |
Chemical Composition (%) | |
Na2O | NA |
Fe2O | NA |
SiO2 | NA |
TiO2 | NA |
Promoter | NA |
LOI (300C-1000C) | 6-8 |
Al2O3 (By difference) | 92 min |
Activated Alumina compound is used as a desiccant for dry and absorbing moisture water from the air and as a filter of fluoride, arsenic and selenium in drinking water.
PRODUCT NAME | : | GLYCERINE |
CAS number | : | 56-81-5 |
UN number | : | |
Formula | : | C3H8O3 |
Odour | : | ODOURLESS |
Solubility in water | : | COMPLETE |
Density | : | 1.26 at 20 oC |
Boiling point | : | 290oC |
Melting point | : | 18 oC |
Viscosity | : | 2.33 cp at 15 oC |
Flashpoint | : | 160 oC |
Explosive limits | : | 0.9 - ? Vol% |
Vapour pressure | : | .01 mbar at 50 oC |
Skin absorption/irritation | : | YES |
TLV Country NL Year 1995 | : | ppm 10 mg/m3 |
Pollution category 1994 | : |
III |
Specification :
Appearance (Colour) | : White |
Appearance (Form) | : Deliquescent powder |
Solubility (Turbidity) | : 10% aq. solution Clear |
Solubility (Colour) | : 10% aq. solution Colourless |
Assay | : min. 98.5% |
pH (5% aq. solution) | : 6.0 - 7.5 |
Chloride (CI) | : max. 0.001% |
Sulphate (SO4) | : max. 0.005% |
Iron (Fe) | : max. 0.0005% |
Heavy Metals (Pb) | : max. 0.0005% |
Oxalate | : (C2O4) max. 0.01% |
Copper (Cu) max. | : 0.0001% |
Potassium (K) | : max. 0.003% |
Sodium (Na) | : max. 0.004% |
Reducing Substances | : Passes test |
Formula: C4H10O2 / H3CCHOHCH2OCH3
Molecular mass: 90.1
Boiling point: 120°C
Melting point: -96°C
Relative density (water = 1): 0.92
Solubility in water: very good
Vapour pressure, kPa at 20°C: 1.2
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.03
Flash point: 38°C
Auto-ignition temperature: 270°C
Explosive limits, vol% in air: 1.9-13.1