NAME OF COMMODITY:CAUSTIC SODA PEARLS      SPECIFICATION(NAOH):99.0%  

TEST ITEM:NAOH, CARBONIC ACID,SODIUM CHLORIDE,OXIDIZE THE IRON

ITEM: (OF METHOD OF ION EXCHANGE MEMBRANE)        TEST RESULT（%）

NAOH                                                        ≥99.0

NA₂CO₃                                                       ≤0.8

NACL                                                         ≤0.05

FE₂O₃                                                         ≤0.008

CONCLUSION: ACCORDS WITH STANDARD OF GB 209-2006

NOTES:

SAMPLER  :ZHANG XIAOMIN     

INSPECTOR:ZHANG XIAOMIN   CHECK:HAO ZHIHONG 

EXAMINE:HUANG WENLI