Potassium Tartrate Hemihydrate Crystal Reagent N-Protected Amino Acids Test Specification Min Max COLOR

Test Specification Min Max COLOR (APHA) 20 PRESERVATIVE (SODIUM[nDIETHYLDITHIOCARBAMATE) APPROX

Test Specification Min Max ANGULAR ROTATION +12 to +24 +12 to +24 REFRACTIVE INDEX @ 20[dC 1

Test Specification Min Max ASSAY (C[@14@]H[@8@]CaN[@2@]O[@6@]S[@2@]) 99 101

1 ppb THORIUM 0

Potassium Tartrate Hemihydrate Crystal Reagent N-Protected Amino Acids Test Specification Min Max COLORTest Specification Min Max ASSAY 99 102% 99 102% pH OF A 1% SOLUTION @ 20?? 07 Sep 07 Sep AMMONIUM (NH[@4@]) 0. 00% CALCIUM (Ca) 0. 01% CHLORIDE (Cl) 0. 05% HEAVY METALS (as Pb) 0. 00% IRON (Fe) 0. 00% SULFATE 0. 10% ARSENIC (As) 0. 00% COPPER (Cu) 0. 00% MERCURY 0. 00% LEAD (Pb) 0. 00% ZINC (Zn) 0. 00% OXALATE (AS OXALIC ACID) 0. 01% LOSS ON DRYING 4% ACID OR ALKALI REACTION IMPURITIES TO PASS TEST TO PASS TEST APPEARANCE OF SOLUTION TO PASS TEST TO