You are given a sample mixture of Barium sulphate and Ammonium chloride weighing 1.342 grams
to estimate the percentage composition of each salt in the mixture. You proceeded to heat its
entire contents in a silica crucible. You found that after 30 minutes of heating, the weight of the
mixture reduced to 1.107 grams. You decided to heat the mixture again for another 10 minutes
after which the weight reduced to 1.105 grams. What is the percentage composition of the
mixture?
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Precipitated Barium Sulfate For Powder Coatings TLZ-PBS101
Index
National Standard CB/T 2899-2008
TLZ-PBS101
BaSO4 (dry%)
98.0
98.2
Moisture %≤
0.30
0.1
Water Soluble %≤
0.30
0.1
Iron %≤
0.004
0.0015
Whiteness %≥
94
97
Oil Absorption g/100 g
10-30
15
PH Value
6.5-9.0
7.5
Particle Size (45 μm) %≤
0.2
0.01
Particle
Size
Distribution
Less than 10 μm ≥
80
95
Less than 5 μm ≥
60
90
Less than 2 μm ≥
25
65
Other Application Areas:
Friction materials
Glass, ceramic
Rubber
Battery
Index
National Standard CB/T 2899-2008
TLZ-PBS101
BaSO4 (dry%)
98.0
98.2
Moisture %≤
0.30
0.1
Water Soluble %≤
0.30
0.1
Iron %≤
0.004
0.0015
Whiteness %≥
94
97
Oil Absorption g/100 g
10-30
15
PH Value
6.5-9.0
7.5
Particle Size (45 μm) %≤
0.2
0.01
Particle
Size
Distribution
Less than 10 μm ≥
80
95
Less than 5 μm ≥
60
90
Less than 2 μm ≥
25
65
Other Application Areas:
Friction materials
Glass, ceramic
Rubber
Battery
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