Tetraethyl Ethylenediphosphonate Ac-Amino Acids 0 % COLOR (APHA) 10

0 % COLOR (APHA) 10 SUBSTANCES REDUCING PERMANGANATE TO PASS TEST TO PASS TEST CARBON DIOXIDE (CO[@2@]) 20 ppm CHLORIDE (Cl) 500 ppb PHOSPHATE (PO[@4@]) 500 ppb TOTAL SULFUR (as SO[@4@]) 1 ppm ARSENIC AND ANTIMONY 50 ppb Aluminum (Al) 300 ppb BORON (B) 100 ppb CALCIUM (Ca) 300 ppb CHROMIUM (Cr) 200 ppb COPPER (Cu) 100 ppb GOLD (Au) 300 ppb IRON (Fe) 100 ppb LEAD (Pb) 200 ppb MAGNESIUM (Mg) 300 ppb MANGANESE (Mn) 200 ppb NICKEL (Ni) 100 ppb POTASSIUM (K) 300 ppb SODIUM (Na) 300 ppb TIN (Sn) 200 ppb TITANIUM (Ti) 300 ppb ZINC (Zn) 300 ppb PARTICLE COUNT (>/=1

5 INSOLUBLE MATTER 0

Test Specification Min Max CLOUD POINT OF A 1 % SOLUTION 47 - 52 C 47 - 52 C pH OF A 10% SOLUTION @ 25[dC 5

40 mm APPROX

5 ppb WATER 0

Tetraethyl Ethylenediphosphonate Ac-Amino Acids 0 % COLOR (APHA) 10