USD $0.40-1.00 / Metric Ton
USD $100.00-150.00 / Kilogram
USD $32.00-34.00 / Metric Ton
USD $1.00-10.00 / Kilogram
USD $90.00-100.00 / box
we have food grade.it conforms to usp36.
gmp is available.
specific rotation: -29.0°~-32.0°
water content :≤1.0%
assay :97.0%~103.0%
residue on ignition: ≤0.1%
residue acetone: ≤0.1%
residue ethanol :≤0.5%
heavy metals: ≤10ppm
arsenic :≤1ppm
chloride: ≤0.4%
potassium :≤0.2%
sodium :≤0.1%
cyanide :absent
lead: ≤3ppm
mercury :≤0.1ppm
cadmium: ≤1ppm
total plate count: ≤1000cfu/g
yeast & mold: ≤100cfu/g
e.coli :negative
salmonella: negative
it conforms with usp36 .