Polymer Standards for GPC/SEC
SEC Calibration Standards from Shodex
Shodex provide a comprehensive range of calibration standards including polystyrene and polymethylmethacrylate (PMMA) for organic solvent SEC and pullulan for aqueous SEC.
All pictures shown are for illustration purpose only. Actual product may vary.
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- Features
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Polystyrene
- For organic solvent SEC
- Less branched polystyrene with anionic polymerization
- Easily soluble in tetrahydrofuran (THF), chloroform, toluene, and o-dichlorobenzene (ODCB)
Polymethylmethacrylate (PMMA)
- For organic solvent SEC
- Narrow molecular weight distribution range
- Easily soluble in hexafluoroisopropanol (HFIP) and dimethylformamide (DMF)
Pullulan
- For aqueous SEC
- Unbranched pullulan standard
- High solubility in water eliminates the possibility of recrystallization
- Specifications
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The molecular weights (Mp, Mw/Mn) of each standard kit may vary depending on production lots.
Polystyrene SL-105
Standard No. Mp Mw/Mn S-20 19,900 1.03 S-13 13,000 1.02 S-9.6 9,590 1.02 S-7.6 7,640 1.02 S-4.7 4,730 1.03 S-3.0 2,970 1.04 S-1.9 1,920 1.04 S-1.4 1,440 1.05 S-0.9 860 1.07 S-0.6 580 1.11 Polystyrene SM-105
Standard No. Mp Mw/Mn S-2380 2,380,000 1.08 S-1390 1,390,000 1.05 S-730 730,000 1.05 S-270 270,000 1.02 S-139 139,000 1.03 S-45 45,100 1.02 S-20 19,500 1.02 S-6.3 6,320 1.03 S-3.0 2,970 1.04 S-1.2 1,150 1.08 Polystyrene SH-75
Standard No. Mp Mw/Mn S-6870 6,870,000 1.09 S-5190 5,190,000 1.03 S-3750 3,750,000 1.05 S-2350 2,350,000 1.04 S-2000 2,000,000 1.03 S-991 991,000 1.05 S-508 508,000 1.05 Polymethylmethacrylate (PMMA) M-75
Standard No. Mp Mw/Mn M-1020 1,020,000 1.04 M-505 505,000 1.02 M-224 224,000 1.02 M-67 66,700 1.03 M-18 17,800 1.04 M-6.1 6,140 1.11 M-2.9 2,880 1.08 Pullulan P-82
Standard No. Mp Mw/Mn P-800 642,000 1.23 P-400 337,000 1.12 P-200 194,000 1.09 P-100 107,000 1.13 P-50 47,100 1.07 P-20 22,000 1.08 P-10 9,600 1.09 P-5 6,100 1.05 - Literature
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