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凝膠滲透層析 ( Gel Permeation Chromatography ) 儀器、GPC 層析管柱、標準分子量 以及 GPC分子量測試鑑定委驗,專業公司。
產品項目:
(1)Organic Polymer Standards - 有機溶媒 Organic GPC
  • Poly(2-vinylpyridine)
  • Poly(alpha-methylstyrene)
  • Poly(butadiene-1,2)
  • Poly(butadiene-1,4)
  • Poly(dimethyl siloxane)
  • Poly(ethylene)
  • Poly(ethylene Terephthalate)
  • Poly(ethyl methyacrylate)
  • Poly(isobutylene)
  • Poly(isoprene-1,4)
  • Poly(methyl methacrylate)
  • Poly(n-butyl methacrylate)
  • Poly(propylene glycol)
  • Poly(styrene)
  • Poly(t-butyl acrylate)
  • Poly(t-butyl methacrylate)
(2)Aqueous Polymer Standards - 水溶性Aqueous GPC
  • Hydroxyethyl Starch
  • Dextran
  • Poly(acrylic acid) Sodium Salt
  • Poly(ethylene glycol)
  • Poly(ethylene oxide)
  • Poly(methyacrylic acid) Sodium Salt
  • Poly(styrene sulfonate) Sodium Salt
  • Pullulan
(1)有機溶媒 Organic GPC Columns
產品 適用移動相 分析應用
SDV Non-polar and Medium Polar Organic Solvent:
THF, Toluene, TCM, DCM
Poly(styrene), Poly (vinylchloride)
Poly(carbonate), Elastomers,
Resins and others
GRAM Polar Organic Solvent:
DMF, DMAC, NMP, DMSO
Polyurethane, Polyimide, Starches, Cellulose, Certain Polyamide, Other polar polymers
PFG HFIP, TFE and other fluorinated Solvents Crystalline Polymers, Polyesters,
Nylons, Poly (lactide), POM, etc…
POLEFIN High Temperature (HT) GPC/SEC:
TCB, o-DCB, Decalin
Poly (ethylene), Poly(propylene)
Other Polyolefins
(2)Magic Triangle for Organic GPC/SEC Applications
PSS就分析物的極性 ( sample polarity ) 、選擇適當層析管柱 ( stationary phase polarity )、 移動相 ( mobile phase polarity ) 的三角法則
舉例有 低sample polarity 的PS“ 樹脂”可溶於THF,由此為起點,依三角法則循粉紅色延線至SDV,說明SDV層析管柱適用THF可溶樹脂的分析。
(3)水性 Aqueous GPC Columns
產品 適用移動相 分析應用
SUPREMA Water with salts/buffer
MeOH, AeCN, PH=1.5-13
Neutral and Aromtic Polymers
PEO,PEG, Pullulan, Dextran,
Poly (acrylamide), Hyaluronic acid
Poly (acrylic acid)
Carboxymethyl Cellulose etc…
NOVEMA Water, Water with salt/buffer:
MeOH, AeCN, TEA, PH=1.5-13
Cationic Polymer, Polymeric
Quaternary Ammonium Compounds
Poly (DADMAC), Poly (vinylpycidine)
Chitosan, Poly (ethylene imine) etc…
MCX Water , Water with Salts/buffer,
MeOH, AeCN, PH = 7 - 13
Sulfonated Polyanions, Poly(styrene sulfonate),Lignin Sulfonate, Modified Starches,Acids, Alcohol, Pectins, etc…
PROTEMA Water ,Water with Salts/buffer,
PH < 7
Neutral and Synthetic Proteins,
Peptides, Enzymes, Gelatins,Collagens
(4)Magic Triangle for Aqueous GPC/SEC Applications
PSS就分析物的離子性 ( polymer ionic character ) 、選擇適當層析管柱 ( stationary phase polarity )、移動相 ( mobile phase polarity pH value ) 的三角法則。
舉例有水溶性高分子物 ( neutral polymer ) 溶於 ” 水”,依三角法則循籃色延線至pH = 7 ” 水” 為移動相,由此 pH = 7為起點, 循籃色延線至 SUPREMA ,說明SUPREMA適用水溶性高分子物的層析管柱。
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