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Welcome to Tianjin Guangfu Fine Chemical Research Institute！
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PH Reference Material (Plastic Bag Package)

Specifications： PH=1. 68 < br > pH=4. 00 < br > < br > pH=6. 86 < br > < br > pH=9. 18 < br > < br > PH=7. 42 < br > PH=10. 0 < br > PH=4, 6.86, 9.18
Packing： Bag < br > Bag < br > 5 Bag < br > Bag < br > 5 Bag < br > Bag < br > 5 Bag < br > Bag < br > Bag < br > Bag < br > 3 Small/Large Bag

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TEL：+86-22-85689619

Contact: Carter Cao.
Tel/fax: +86-13802127750, +86-18622107711
Technical consultant：Peng.Zhao     TEL：001（651）283-9609
Email : cartercao@hotmail.com 

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