USD $10.00-25.00 / Kilogram
USD $10.00-25.00 / Kilogram
USD $10.00-25.00 / Kilogram
USD $10.00-25.00 / Kilogram
USD $10.00-10.00 / Gram
USD $10.00-25.00 / Kilogram
USD $10.00-25.00 / Kilogram
USD $10.00-10.00 / Gram
USD $10.00-10.00 / Gram
lactobionic acid 96-82-2
1.white crystalline powder
2.purity:98.0%-102.0%
3.packing:1kg/bag 25kgs/bag
4.heavy metal:10pp max
lactobionic acid 96-82-2 specification
item |
specifications |
results |
|
appearance |
white or almost white crystalline powder |
white crystalline powder |
|
identification |
-by ir |
positive |
positive |
-by tlc |
positive |
positive |
|
specific optical rotation |
+23°--+29° |
+26.8° |
|
solubility |
freely soluble in water, slightly soluble in glacial acetic acid, anhydrous ethanol and in methanol |
freely soluble in water, slightly soluble in glacial acetic acid, anhydrous ethanol and in methanol |
|
appearance of solution |
the solution is clear & not more intensely coloured than reference solution |
the solution is clear & not more intensely coloured than reference solution |
|
ph |
1.0-3.0 |
2.4 |
|
calcium |
500ppm max |
less than 400ppm |
|
chloride |
500ppm max |
less than 200ppm |
|
sulfate |
500ppm max |
less than 100ppm |
|
silicates |
200ppm max |
less than 50ppm |
|
iron |
100ppm max |
less than 60ppm |
|
heavy metals |
10ppm max |
<10ppm |