L-Cysteine CAS NO.52-90-4

THIS PRODUCT MEETS AJI92 STANDARD. NAME OF ITEM L-CYSTEINE FREE BASE EXPIRY DATE5 yearsCAS NO.ITEMLIMITRESULTDESCRIPTIONWHITE CRYST…

THIS PRODUCT MEETS AJI92 STANDARD. NAME OF ITEM L-CYSTEINE FREE BASE EXPIRY DATE5 yearsCAS NO.ITEMLIMITRESULTDESCRIPTIONWHITE CRYSTALS OR CRYSTALLINE POWDERCONFORMSIDENTIFICATIONINFRARED ABSORPTION SPECTRUMCONFORMSSPECIFIC ROTATION[α]D20°+8.3°~ +9.5º+8.49°STATE OF SOLUTION≥95.0%96.3%CHLORIDE (Cl)≤0.04%<0.04%AMMONIUM (NH4)≤0.02%<0.02%SULFATE (SO4)≤0.030%<0.030%IRON (Fe)≤10ppm<10ppmHEAVY METALS (Pb)≤10ppm<10ppmARSENIC (As203)≤1ppmCONFORMSLOSS ON DRYING≤0.5%0.35%RESIDUE ON IGNITION (SULFATED)≤0.1%0.05%ASSAY 98.0 ~ 101.0%99.7%PH4.5 ~ 5.55.3CONCLUSION THE TEST RESULT OF THE ABOVE MENTIONED PRODUCT MEETS AJI92 STANDARD. THIS PRODUCT MEETS AJI92 STANDARD. NAME OF ITEM L-CYSTEINE FREE BASE EXPIRY DATE5 yearsCAS NO.ITEMLIMITRESULTDESCRIPTIONWHITE CRYSTALS OR CRYSTALLINE POWDERCONFORMSIDENTIFICATIONINFRARED ABSORPTION SPECTRUMCONFORMSSPECIFIC ROTATION[α]D20°+8.3°~ +9.5º+8.49°STATE OF SOLUTION≥95.0%96.3%CHLORIDE (Cl)≤0.04%<0.04%AMMONIUM (NH4)≤0.02%<0.02%SULFATE (SO4)≤0.030%<0.030%IRON (Fe)≤10ppm<10ppmHEAVY METALS (Pb)≤10ppm<10ppmARSENIC (As203)≤1ppmCONFORMSLOSS ON DRYING≤0.5%0.35%RESIDUE ON IGNITION (SULFATED)≤0.1%0.05%ASSAY 98.0 ~ 101.0%99.7%PH4.5 ~ 5.55.3CONCLUSION THE TEST RESULT OF THE ABOVE MENTIONED PRODUCT MEETS AJI92 STANDARD.