Ammonium Phosphate Monobasic Crystalline HPLC Grade size:500 GM 2 ueq/g SUBSTANCES DARKENED BY

2 ueq/g SUBSTANCES DARKENED BY (H[@2@]SO[@4@]) TO PASS TEST TO PASS TEST SUBSTANCES REDUCING (KMnO[@4@]) TO PASS TEST TO PASS TEST CARBONYL COMPOUNDS: ACETONE 0

Test Specification Min Max ACID VALUE 3 SAPONIFICATION VALUE 165 - 175 165 - 175 IODINE VALUE 3 RETEST DATE

00% ALCOHOL CONTENT (CH3CH2OH) 79 85

Test Specification Min Max ASSAY 95% 95% ACTIVE HYDROGEN 4

01% ARSENIC (As) 3 ppm LEAD (Pb) 0

Ammonium Phosphate Monobasic Crystalline HPLC Grade size:500 GM 2 ueq/g SUBSTANCES DARKENED BYTest Specification Min Max ASSAY 98% 98% pH OF A 5% SOLUTION @ 25[dC 3. 8 4. 4 3. 8 4. 4 ULTRAVIOLET ABSORBANCE TO PASS TEST TO PASS TEST AMMONIUM HYDROXIDE Ppt. 0. 01% ARSENIC (As) 0. 5 ppm CHLORIDE (Cl) 5 ppm HEAVY METALS (as Pb) 5 ppm INSOLUBLE MATTER 0. 01% IRON (Fe) 0. 00% NITRATE (NO[@3@]) 0. 00% POTASSIUM (K) 0. 01% SODIUM (Na) 0. 01% SULFUR COMPOUNDS (as SO[@4@]) 0. 00% EXPIRATION DATE