USD $5.00-10.00 / Gram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
tests items |
requirements |
results |
description |
shuold be white crystalline powder,special smell.easily lead in the air humidity, light and heat instability |
white crystalline powder,special smell.easily lead in the air humidity, light and heat instability |
m.p. |
should be 134-137℃,melting with decomposition
|
135-137℃,melting with decomposition |
identification |
|
|
(1)chemical reaction |
should be positive reaction |
conforms |
(2)chemical reaction |
should be positive reaction |
conforms |
test |
|
|
loss on drying |
≤2.1% |
0.4% |
residue on ignition |
≤0.2% |
0.1% |
heavy metal |
≤20ppm |
<20ppm |
microbial limit |
|
|
bacterial count |
≤ 1000cfu /g |
<10cfu/g |
yeast and mold count |
≤100cfu/g |
<10cfu/g |
e.coli |
shouldn’t found |
not found |
assay |
it should contain not less than 99.0% of (c6h14clno2s),calculated on dry substance. |
100.9% |