USD $10.00-10.00 / Gram
USD $10.00-10.00 / Gram
USD $10.00-10.00 / Gram
USD $8.20-8.80 / Kilogram
USD $10.00-10.00 / Gram
USD $1.00-10.00 / Kilogram
USD $9.00-99.00 / Kilogram
sichuan tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in china, we guarantee high quality, competive price and reliable service.
we fully compliance with iso9001:2008, production and quality management following gmp standards, production plant constructed in accordance with gmp standards. quality control conforms to the standards of pharmaceutical-food cp grade and japan ajinomoto aji, american usp and reagent grade br.
we are the professional manufacturer of amino acids in china. we have the certification of kosher & iso
appearance |
crystals or crystalline powder |
conforms |
specific rotation[α]20/d (c=1 in naoh) |
+25.8° to +27.0° |
25.99° |
ammonium (nh4) |
not more than 0.02% |
<0.02% |
sulfate (so4) |
not more than 0.020% |
<0.02% |
heavy metal(pb) |
not more than 10ppm |
<10ppm |
loss on drying |
not more than 0.50% |
0.1% |
residue on ignition(sulfated) |
not more than 0.20% |
0.08% |
assay |
98.5 to101.0% |
98.9% |
ph |
2.0 to 3.5 |
2.6 |