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单官能团PEG
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J&K
Apollo
TCI
Thermo Scientific
砌块化学
Aldrich
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average Mn 1500, contains ≤300 ppm monomethyl ether hydroquinone as stabilizer
average Mn 2,000, 50 wt. % in H2O
average Mn 300, contains 300 ppm BHT as inhibitor, 100 ppm MEHQ as inhibitor
average Mn 4,000, contains ≤300 ppm monomethyl ether hydroquinone as inhibitor
average Mw ~475,contains70-130ppm MeHQ,200 ppm BHT
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100g
100ml
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1l
2.5kg
250mg
250ml
25g
500g
500ml
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