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mol wt average Mn ~230 £¨D-230£©£º
n20/D 1.447
ÃÜ¶È 0.948
mol wt average Mn ~400 £¨D-400£©£º
n20/D 1.449
ÃÜ¶È 0.97
mol wt average Mn ~2,000 £¨D-2000£©
n20/D 1.451
ÃÜ¶È 0.996
mol wt average Mn ~4,000£¨¾ÛÃÑ°·D-4000£©£º
n20/D 1.452
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