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GPC determinations are performed with PMMA standards and ¡°universal calibration¡±. Does this mean that the intrinsic viscosity of the copolymer samples was determined, as for instance with a viscosity detector in addition to the refractive index detector?
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2Â¥: Originally posted by ambyshine at 2012-08-29 17:50:00
Ëû¿ÉÄܲ»Àí½âÄã˵µÄ¡°universal calibration¡±¡£ÎÊÄãÓÐûÓÐÓÃÓÃviscosity detector²â¹²¾ÛÎïµÄÌØÐÔð¤¶È¡£Õâ¾ÍÒª¿´ÄãµÄGPCÁË£¬³ýÁËÓÐRI detectorÖ®Í⣬»¹ÓÐûÓÐviscosity detector£¿
triple detection GPCÊÇÓеġ£

A series of poly(methyl methacrylate) (PMMA) narrow standards were used to generate a universal calibration curve. ÎÒÔ­ÎÄÖÐÊÇÕâÑùдµÄ£¬ÓÐʲô²»Í×Âð£¿ËûΪʲô»áÕâôÎÊÄØ
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zznjut: ½ð±Ò+4, »¶Ó­½»Á÷ 2012-08-30 08:46:40
ying119513: ½ð±Ò+3, ¡ï¡ï¡ïºÜÓаïÖú 2012-08-30 17:41:02
Ëû¿ÉÄܲ»Àí½âÄã˵µÄ¡°universal calibration¡±¡£ÎÊÄãÓÐûÓÐÓÃÓÃviscosity detector²â¹²¾ÛÎïµÄÌØÐÔð¤¶È¡£Õâ¾ÍÒª¿´ÄãµÄGPCÁË£¬³ýÁËÓÐRI detectorÖ®Í⣬»¹ÓÐûÓÐviscosity detector£¿
triple detection GPCÊÇÓеġ£
2Â¥2012-08-29 17:50:00
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ambyshine

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ying119513: ½ð±Ò+3, ¡ï¡ï¡ïºÜÓаïÖú 2012-08-30 17:41:45
ÒýÓûØÌû:
3Â¥: Originally posted by ½õ½õ at 2012-08-29 19:06:03
A series of poly(methyl methacrylate) (PMMA) narrow standards were used to generate a universal calibration curve. ÎÒÔ­ÎÄÖÐÊÇÕâÑùдµÄ£¬ÓÐʲô²»Í×Âð£¿ËûΪʲô»áÕâôÎÊÄØ...

Èç¹û²»ÊÇÓõÄtriple detection£¬Äã¾Í»Ø´ð˵¡®sorryÄÇÉ¶ÌØÐÔð¤¶È°³Ã»²â¡£The system was calibrated using a series of poly(methyl methacrylate) (PMMA) narrow standards, and the molecular weights of the samples were referenced to PMMA... ¡¯¾ÍÐÐÁË¡£¡£¡£
4Â¥2012-08-29 21:09:02
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½õ½õ

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4Â¥: Originally posted by ambyshine at 2012-08-29 21:09:02
Èç¹û²»ÊÇÓõÄtriple detection£¬Äã¾Í»Ø´ð˵¡®sorryÄÇÉ¶ÌØÐÔð¤¶È°³Ã»²â¡£The system was calibrated using a series of poly(methyl methacrylate) (PMMA) narrow standards, and the molecular weights of the sam ...

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