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hongqiang hu huhq7 at yahoo.com.cn
Tue Aug 22 14:38:59 PDT 2006
Hi, Friends,
I needs K2Cr2O7 (Potassium dichromatechemicals ) in my
experiments, while just find it is run out of stock. I
have ordered it but needs several days.
Then does anybody have this chemicals in you lab? I
need around 10 grams and will return to you after
mine comes in.
Your kind help will be greatly appreciated.
Thank you!
hongqiang
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发表于 2015-3-11 22:18
