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Description
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Selected
from the purest magnesite available at Causmag®,
Pexu 99 is an accurately sized calcined magnesite with
exceptionally low impurity levels and excellent flow
properties.The product's appearance is a fine white
odourless powder and is also available in granular form.
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Uses
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Causmag®
Pexu 99 is primarily used as a supply of USP and BP
approved Magnesium Oxide (Heavy Grade) (1999). Antacid,
laxative and formulations for mineral tablets.
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| Composition |
| |
Specification |
Unit
|
Test
Method |
| Assay |
98.3-99.5 |
%wt
as MgO |
USP/BP |
| Calcium
(Ca) |
<
0.80 |
% |
USP/BP |
| Iron
(Fe) |
<
0.05 |
% |
USP/BP |
| Chloride |
<
0.02 |
% |
USP/BP |
| Sulphate |
<
20 |
ppm |
USP/BP |
| Arsenic |
<
1.0 |
ppm |
USP/BP |
| Lead |
<
0.25 |
ppm |
icpms |
| Other
Heavy Metals |
<
2.0 |
ppm |
icpms |
| Acid
Insols |
<
2.0 |
mg |
USP |
| L.O.I. |
<
5.0 |
% |
USP/BP |
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| Physical
Properties |
| Bulk
Density, loose, kg/m3 (lb/ft3) |
500
(31)-2
|
| 1
Mean particle size, ganules |
1.5
mm
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| 1
Mean particle size, Powder |
5
micron
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| Surface
area, m2/gram |
20-70
m2/g
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| Packaging |
1000
kg bulk bags
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