Civil Engineering Reference
In-Depth Information
Chemical Name, Formula,
and Common Name
Bulk Density,
lb/ft
3
Solubility,
g/100gH
2
O
Common Forms
Commercial Strength
Calcium carbonate
CaCO
3
White or gray; granular or powder
About 95%
100-115
0.0014 at 25
C
Calcium hydroxide
White powder
72-74% as CaO
25-35
0.19 at 0
C
Ca(OH)
2
0.15 at 30
C
High calcium hydrated lime,
slaked lime
0.08 at 100
C
Calcium oxide
CaO
High-calcium quicklime, burnt
lime, unslaked lime
White; lump, pebble, granules, or
pulverized
93-98%
55-60
Converts to Ca(OH)
2
in solution
Half-burnt dolonite
White, gray, or tan; granules or powder
About 52% CaCO
3
25-35
0.18
CaCO
3
MgO
40% MgO
Sodium bicarbonate
White powder
99%
135
6.9 at 0
C
NaHCO
3
16.4 at 100
C
Sodium carbonate
NaOH
Anhydrous; white solid, beads, flakes, or
liquid
98.9% NaOH if solid, but
20-50% NaOH in solution form
133
42 at 0
C
347 at 100
C
Caustic soda
Liquid sodium silicate
Na
2
O
n
SiO
2
Water glass
Opaque, viscous liquid
38-42%
Complete
Zinc-orthophosphates
Liquid
Variable
Complete
Sodium hexametaphosphates
Glassy plates, flakes, lumps, beads, or
granular
80% PO
4
80
Complete
Sodium tripolyphosphates
Powder or granular
75% PO
4
69
Complete
Monobasic sodiumphosphates
White crystalline solid (granular or powder)
77.7% PO
4
72
Complete
Dibasic sodiumphosphates
White crystalline solid (granular or powder)
64.3% PO
4
69
Complete
Source:
Adapted from Reference 52.
Note:
To obtain bulk density in kg / m
3
, multiply lb / ft
3
value by 16.02.
