USD $10.00-10.00 / Gram
USD $25.10-28.30 / Gram
USD $10.00-10.00 / Gram
USD $25.10-28.30 / Gram
USD $25.10-28.30 / Gram
USD $10.00-10.00 / Gram
USD $25.10-28.30 / Gram
USD $2.00-10.00 / Kilogram
USD $10.00-10.00 / Gram
description |
a white, crystalline powder, with a sweet taste |
conforms |
identification |
a,b,c |
conforms |
solubility |
freely soluble in water, sparingly soluble in alcohol |
conforms |
specific optical rotation |
+52.5º—+53.3º |
+53.0º |
acidity or alkalinity |
6.0g sample 0.1mol/l naoh ≤0.15ml |
0.12ml |
appearance of solution |
clear, odorless |
conforms |
foreign sugars, soluble starch, dextrins |
conforms |
conforms |
chlorides |
≤125ppm |
<10ppm |
water |
≤1.0% |
0.16% |
sulphites(so2) |
≤15ppm |
conforms |
sulphated ash |
≤0.1% |
0.03% |
calcium |
≤200ppm |
<200ppm |
barium |
conforms |
conforms |
sulphates |
≤200ppm |
conforms |
lead in sugars |
≤0.5ppm |
<0.5ppm |
arsenic |
≤1ppm |
<1ppm |
total bacteria count |
≤1000pcs/g |
10pcs/g |
molds and yeasts |
≤100pcs/g |
<10pcs/g |
escherichia coli |
negative |
negative |
pyrogens |
≤0.25eu/ml |
conforms |
conclusion |
qualified with the standard |