This is an example of a pharmaceutical analysis done by Pfanstiehl
Labs. As you can see it is more detailed than Consumer Labs. Note that
they test for purity.
D-Glucosamine
HCl &
D-Glucosamine
Sulfate?2KCl
Imported
USP
Grade
Specifications
General
|
Reference
|
Country
of Origin |
China
|
Test
(USP Methods) |
HCL
|
Sulfate?2KCl
|
Appearance
|
White
crystalline, free-flowing powder |
Content
Assay |
99.0-101.0%
|
98.0-102.0%
|
Specific
Rotation [a] D 20 |
+70.0°
to +73.0° |
+50.0°
to +52.0° |
Transmission(20%
water solution-450nm) |
>90%
|
>90%
|
Absorption
(20% water solution-280nm) |
<0.25
a.u. |
N.A.
|
Loss
on Drying |
=0.1%
|
=0.5%
|
Residue
on Ignition |
=0.1%
|
27.0%
to 29.0% |
pH
|
3.5
- 5.0 |
3.5
- 5.0 |
Chloride
|
16.2-16.7%
|
11.1%
to 12.3% |
Sulfate
|
=0.24%
|
15.5-16.5%
|
Potassium
|
NA
|
11.7-13.0%
|
Sodium
|
NA
|
No
pronounced yellow color |
Organic
Volatile Impurities |
Meets
USP requirements |
Bulk
Density |
=0.75
g/ml |
=0.85
g/ml |
Particle
Size |
100%
thru 30 mesh |
Iron
|
=10
ppm |
Heavy
Metals |
=10
ppm |
Lead
|
=0.5
ppm |
Arsenic
|
=0.5
ppm |
Biological
Testing (USP) |
Specification
|
Total
Plate Count |
=1000
CFU/g Max. |
Yeast
& Mold Count |
=100
CFU/g Max. |
E.
Coli (in 1 gram) |
Negative
|
Salmonella
& S. Aureus |
Negative
|
|