L-asparic acid
Cas no.: 56-84-8
App: white and odorless crystal powder
Assay: 99.0-100.5%
Transmittance: fª98.0%
Specific rotation[]20d: +24.8~ +25.8
Loss on drying f_ 0.20%
Chloride(cl) f_ 0.020%
Ammonium (nh4) f_ 0.02%
Sulfate (so4) f_ 0.020%
Iron (fe) f_ 10ppm
Heavy metals (pb) f_ 10ppm
Arsenic (as2o3) f_ 1ppm
Residue on ignition f_ 0.10%
Ph 2.5 ~ 3.5
Other amino acids not detectable
Packing: 25kg multiply bag
Usp24
L-cysteine hcl
Appearance white crystals or crystalline powder; strongly acid taste.
Identification infrared absorption
Specific optical rotation +5.6~ +8.9
Sulfate f_ 0. 03 %
Iron f_ 0. 003 %
Heavy metals (as pb), f_ 0.00 15%
Organic volatile impurities meets the requirement
Loss on drying, f_ 1 %
Residue on ignition, c f_ 0.1%
Assay 98.5-101.5 %
Ph value 1.5 - 2.0
Organic volatile impurities meets the requirement
Packing: 25kg fiber drum
Usp24
L-alanine
Cas no.: 56-41-7
App: white and odorless crystal powder with special sweet tasle
Assay 99.0-101.0%
Transmittance fª98.0%
Specific rotation[]20d +14.3~ +15.2
Loss on drying f_ 0.20%
Chloride(cl) f_ 0.020%
Ammonium (nh4) f_ 0.02%
Sulfate (so4) f_ 0.020%
Iron (fe) f_ 10ppm
Heavy metals (pb) f_ 10ppm
Arsenic (as2o3) f_ 1ppm
Residue on ignition f_ 0.10%
Ph 5.7 ~ 6.7
Other amino acids not detectable
Packing: 25kg multiply bag
(one) product specification:
1, basic weight: 20-400g/m2
(two) product application:
1, air fiter medium
We can supply primary efficiency, middle efficiency, sub-highly efficiency, highly efficiency filter medium. The end use composed of bag filter, flat plate filter, pleating filter, automatic filter, etc.
2, liquid filter medium
Composed of fine and coarse filter medium. The fine medium can filter the particle which diameter is from 0.5 micron to 10 micron. The coarse medium can filter the particle which diameter is from 20 micron to 60 micron. Can be used to all kind of liquid filters core, filer bag.
3, protective medium
Can be used to all kinds of grades medical mask and working protective respirator. The product is approved by u. S niosh (the u. S occupational safety
And health committee) dust protective standard and european en149:2001 standard.
4, absorbent medium
Used to absorbent bag, absorbent block, it is the ideal material for absorption of oil from river and sea. (absorbs up to 20 times of its own weight)
5, thermal insulation medium
The medium is used to cotton padded shirt, thermal insulation underwear, jacket, leather coat, gloves, sleeping bags, quilt
