潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图
Smart Chemicals Group Co. Ltd.
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manganese oxide
CAS NO:1313-13-9; MF:MnO
2
Grass green or celadon crystal or powder.Specific gravity 5.43-5.46...
Smart Chemicals Group Co. Ltd.
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chrome yellow
CAS NO:7758-97-6; MF:H
2
CrO
4
Pb
Brilliant in shade and strong in tinting strength.
Smart Chemicals Group Co. Ltd.
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ammonium persulphate
CAS NO:7727-54-0; MF:(NH
4
)
2
S
2
O
8
Colorless crystals or white crystalline powder with strong oxidati...
Smart Chemicals Group Co. Ltd.
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BARIUM CARBONATE
CAS NO:513-77-9; MF:CBaO
3
Smart Chemicals Group Co. Ltd.
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cobalt oxide
CAS NO:1307-96-6;11104-61-3; MF:CoO
Gray or reddish powder,specific gravity 6.45,melting point 1800?...
Smart Chemicals Group Co. Ltd.
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manganese sulfate
CAS NO:7785-87-7; MF:MnSO
4
Smart Chemicals Group Co. Ltd.
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potassium ferrocyanide
CAS NO:13943-58-3; MF:C
6
FeK
4
N
6
Lemon yellow crystal granular;soluble in water;insoluble in alcoho...
Smart Chemicals Group Co. Ltd.
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sodium bromide
CAS NO:7647-15-6; MF:NaBr
Formula: NaBrN.W.: 102.89Item Specification Testing resultAppearan...
Smart Chemicals Group Co. Ltd.
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sodium tripolyphosphate
CAS NO:7758-29-4; MF:Na
5
P
3
O
10
White powder,soluble in water,melting point 622癈.
Smart Chemicals Group Co. Ltd.
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strontium carbonate
CAS NO:1633-05-2;1633-55-2; MF:SrCO
3
Smart Chemicals Group Co. Ltd.
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>>
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