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Description
Magnesium Aluminum Silicate NF, Type IIA (Grade: ATPN K) is suitable for low acidity, exhibiting good compatibility with high acidity and high electrolyte content. Often used to provide a stable suspension system at low viscosity.
Applications
Magnesium Aluminum Silicate NF (Type IIA) is employed in acidic pharmaceutical oral suspensions and hair care products containing conditioning active ingredients. Typical addition rates range from 0.5% to 3%.
Items | Specification | Test Method |
Appearance | Off-white granules or powder | |
Acid Demand | 4.0 maximum | Current Volume USP/NF |
Al/Mg Ratio | 1.4-2.8 | Current Volume USP/NF |
Arsenic Content | 3 ppm maximum | Current Volume USP/NF |
Lead Content | 15 ppm maximum | Current Volume USP/NF |
Microbiology | No more than 100 cfu/g bacteria | Current Volume USP/NF |
No more than 100 cfu/g fungi & yeast | Current Volume USP/NF | |
No Escherichia coli | Current Volume USP/NF | |
No Salmonella sp. | Current Volume USP/NF | |
No Staphylococcus aureus | Current Volume USP/NF | |
No Pseudomonas aeruginosa | Current Volume USP/NF | |
No Gram-negative organisms | T-968 | |
Moisture Content | 8.0% maximum | Current Volume USP/NF |
pH, 5% Dispersion | 9.0-10.0 | Current Volume USP/NF |
Viscosity, Brookfield, 5% Dispersion | 100-300 cps | Current Volume USP/NF |
X-ray Diffraction | Peaks between 1.492-1.504, 1.510- 1.540, and 15.0-17.2 Angstroms | Current Volume USP/NF |
Packaging & Storage
Storage
ATPN K is hygroscopic and should be stored under dry condition.
Package
25kg/bag or as your special request.
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