·L Group Amino Acids
·DL Group Amino Acids
·D Group Amino Acids
·Acetyl Amino Acids
·Amino Acids Amides
·Other Amino Acids and derivatives
·peptide series products
·Protected Amino Acids
·Amino Acid Esters
当前位置: 首页 -> 产品介绍 -> DL Group Amino Acids
DL-Tryptophan CAS:54-12-6 << 返回
AppearanceWhite / yellowish crystal or crystalline powder
Identification Conforms
PH 5.4 to 6.4
State of Solution 95.0%MIN
Chloride (Cl) 0.020% MAX
Ammonium (NH4) 0.020% MAX
Sulfate (SO4) 0.020% MAX
Iron (Fe) 10ppm MAX
Heavy Metals (Pb) 10ppm MAX
Arsenic (As2O3) 1ppm MAX
Other Amino Acids Conforms
Loss on Drying 0.2%MAX
Residue in Ignition 0.1% MAX
Assay 99% MIN
南通东部氨基酸有限公司 版权所有(2000-2008)
销售部地址:江苏省南通市钟秀中路106号汇隆新城商务中心408 邮编:226000
电话:0513-85517829 85515040 手机:13063595538 传真:0513-85515040 E-mail:donboo@donboo.com QQ:165071268