COMMODITY

EDTA-2Na

            TEST DATE

Dec 12,2009

TEST ITEM

STANDARD SPECIFICATIONS

TEST RESULTS

CONCLUSION

CONTENT

             99.0%MIN

99.15%

QUALIFIED

CHLORIDE

             0.05%MIN

0.005%

QUALIFIED

PH (50g/L,25C))

                4.0-5.0

4.34

QUALIFIED

CHELATE VALUE(mg

CaCo3/g)

260-290

268

QUALIFIED

IRON (Fe) CONTENT

             0.005% MAX

0.0005%

QUALIFIED

HEAVY METAL (pb)

             0.005%MAX

             0.0004%

QUALIFIED

APPEARANCE

WHITE CRYSTAL POWDER

WHITE CRYSTAL POWDER

QUALIFIED

BATCH NO.

20081211

QUANTITY

      ******