Potassium Bromide Crystal IR Grade Purification Test Specification Min Max ABSORPTION

Test Specification Min Max ABSORPTION MAX 657 (618) nm 657 (618) nm

0 % HYDROCHLORIDE CONTENT 25 - 27 % 25 - 27 % MELTING POINT 188� -194�C 188� -194�C MOISTURE 1% ASH 0

1 mmol RETEST DATE

05% IDENTIFICATION TO PASS TEST EXPIRATION DATE

Potassium Bromide Crystal IR Grade Purification Test Specification Min Max ABSORPTIONTest Specification Min Max SUITABILITY FOR IR SPECTROSCOPY TO PASS TEST TO PASS TEST pH OF A 5% SOLUTION IN WATER @ 25C 5. 0 8. 8 5. 0 8. 8 CHLORIDE (Cl) 0. 20% IODIDE (I) 0. 00% SULFATE (SO[@4@]) 0. 01% BROMATE (BrO[@3@]) 0. 00% TOTAL NITROGEN (N) 0. 01% HEAVY METALS (as Pb) 0. 00% IRON (Fe) 0. 00% CALCIUM (Ca) 0. 00% MAGNESIUM (Mg) 0. 00% SODIUM (Na) 0. 02% INSOLUBLE MATTER 0. 01% RETEST DATE