|
Items
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Standard (Enterprise)
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Standard (USP)
|
|
Description
|
White Crystalline Powder
|
--
|
|
Assay
|
99.00--101.00%
|
98.0%-102.0%(calculated on the dried basis)
|
|
Residue on Ignition
|
≤0.10%
|
≤0.1%
|
|
Loss on Drying
|
≤0.50%
|
≤1.0%
|
|
pH(5%,20°C)
|
3.50--4.50
|
3.0--5.0
|
|
Chloride
|
≤17.00%
|
--
|
|
Iron
|
≤10PPM
|
--
|
|
Sulfate
|
--
|
≤0.24%
|
|
Organic volatile impurities
|
--
|
meets the requirements
|
|
Heavy Metals
|
≤10PPM
|
≤10PPM
|
|
Specific Rotation
|
+71.00°--+73.00°
|
+70.0°--+73.0°
|
|
Microbiological Test
Total Plate Count Yeast&Mold Salmonella Coliforms |
MAX 500/g
MAX 100/g Negative Negative |
--
-- -- -- |
|
Package and storage
|
Preserve in tight,light-resistant containers
|
|
|
Expriy date
|
Two years
|
|
|
ITME
|
STANDARD
|
TESTING RESULT
|
|
Appearance
|
white Crystal
|
|
|
Assay
|
99.0%-101.0%
|
99.6%
|
|
-[a]20D
|
72±1.5°
|
72.40°
|
|
Loss On Drying
|
≤0.1%
|
0.05%
|
|
Residue On Ignjtion
|
≤0.1%
|
0.1%
|
|
Heavy Mctals
|
≤10ppm
|
<10ppm
|
|
Iron(Fe)
|
≤10ppm
|
<10ppm
|
|
PH
|
3.5-4.5
|
4.02
|
|
Chloride
|
16.0%-17.0%
|
16.7%
|
|
T480C=1
|
≥98%
|
≥98%
|
|
Arsenic
|
≤0.5ppm
|
<0.5mm
|
|
lead
|
≤5ppm
|
<5ppm
|
|
Size
|
95%Through 40 Mesh Size
|
Comply
|
|
Buik Density
|
≥0.75g/ml
|
Comply
|
|
Total Plate Count
|
≤3000cfu/g
|
<300cfu/g
|
|
Molds & Yeast
|
≤100cfu/g
|
100cfu/g
|
|
E.Coli
|
Negative
|
Negative
|
|
Salmonella
|
Negative
|
Negative
|
|
Staphylococcus aureus
|
Negative
|
Negative
|
|
Items
|
Standard
|
|
Description
|
White Granule
|
|
Assay
|
>95.0%
|
|
Residue on Ignition
|
≤ 0.1%
|
|
Loss on Drying
|
≤2.0 %
|
|
pH(5%,25°C )
|
3.50 ---4.50
|
|
Chl oride
|
≤17.00 %
|
|
Iron
|
≤10PPM
|
|
Lead
|
≤0.5PPM
|
|
Arsenic
|
≤0.5PPM
|
|
Heavy Metals
|
≤10PPM
|
|
Specific Rotation (25°C )
|
+67---+72°
|
|
Bulk Density
|
≥0.50g/ml
|
|
Particle Size
|
≥20Mesh
|
|
M icrobiological Test
Total Plate Count Yeast & Mold Salmonella Coliforms |
MAX 500/g
MAX 100/g N egative Negative |
