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zhanglihon
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3Â¥2010-07-31 09:46:30
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zhanglihon(½ð±Ò+1, ²©Ñ§EPI+1):лл 2010-07-31 09:47:54
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Õâ¶«Î÷µÄ×÷ÓÃÓ¦¸ÃÀàËÆÀë×Ó½»»»Ê÷Ö¬°É¡£ sigma-aldrich¶ÔËüµÄ½éÉÜ£º Description£º Components 1:1 mixture of strong cation and anion exchange resins Quality Resin is self-indicating: color changes from blue to amber when exchange capacity is reached. Properties£º form gel form particle size 16-40 mesh (wet) capacity 0.80 meq/g by dry weight |

2Â¥2010-07-31 09:29:59
hardee
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4Â¥2010-07-31 09:49:42














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