8-Hydroxy-136-pyrenetrisulfonic Acid Trisodium Salt Standards for Mass Spectrometry & Matrix Materials Test Specification Min Max ASSAY

Test Specification Min Max ASSAY (C[@5@]H[@8@]O[@2@]) 23

Test Specification Min Max ASSAY 31 - 35 % 31 - 35 % APPEARANCE LIGHT TO DARK LIGHT TO DARK

3 ARSENIC (As) 0

00% EQUIVALENT WEIGHT (DRIED BASIS) 294 309 RESIDUE ON IGNITION 0

8-Hydroxy-136-pyrenetrisulfonic Acid Trisodium Salt Standards for Mass Spectrometry & Matrix Materials Test Specification Min Max ASSAYTest Specification Min Max ASSAY 65. 00% VOLATILE MATTER (@ 135[dC) 15. 00% WATER INSOLUBLE MATTER 0. 20% CHLORIDE AND SULFATE 20. 00% PYRENETRISULFONIC ACID,TRISODIUM SALT 6. 00% PYRENETETRASULFONIC ACID,TETRASODIUM SALT 1. 00% PYRENE 0. 20% LEAD (Pb) 20 ppm ARSENIC (As) 3 ppm MERCURY (Hg) 1 ppm