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TEL:+86-20-29813152
Web:http://http://www.m.cqdongrui.com.cn
E-mail:cpcc@pigeonchem.com
Address:ROOM 1605,HO KING COMMERCIAL CENTER,2-16 FA YUEN STREET,MONGKOK,KOWLOON,HONG KONG
質(zhì)量標(biāo)準(zhǔn)
Qanlity standard |
|
|
項目 |
規(guī)格 |
|
腐植酸含量 |
≥40.0 |
|
氮含量 |
≥4.0 |
|
水份 |
≤20.0 |
|
PH值 |
7-8 |
|
外觀 |
黑色結(jié)晶狀顆粒 |