GC COLUMNS | PACKED/MICROPACKED COLUMNS
Custom Coated Packing Materials Custom Coated Packing Materials
Technical Service For quick answers to commonly asked questions any time of the day, visit www.restek.com/answers or contact us directly:
In the U.S. Phone: 1-800-356-1688, ext. 4 Fax: 1-814-353-1568 e-mail: support@restek.com Hours of operation (Eastern Time): Monday - Thursday, 8:00 a.m. to 6:00 p.m. Friday, 8:00 a.m. to 5:00 p.m. Outside the U.S.? Find a distributor at
www.restek.com/distributor
Custom coated packing materials can be made with any of the supports listed below. The liquid stationary phases available are listed on page 130 and the coating ranges are listed in the chart. Coated packings are available in minimum orders of 20 grams. To order, contact your Restek representative for pricing and specify the following:
1) Stationary phase and stationary phase concentration 2) Support and support mesh size 3) Amount of packing needed Ordering Example: (3%) (Rtx®-1) (Silcoport® P) (80/100) (20 g) Support CarboBlack B CarboBlack B HT CarboBlack C HayeSep Porapak
Max. Coating % 1–10%* 1–10% 0.1–1%* 15% 15%
Mesh Sizes 60/80, 80/120 40/60 60/80, 80/100 60/80, 80/100, 100/120 50/80, 80/100, 100/120
Please call for availability of the following supports: Chromosorb 101-108 Chromosorb W HP Chromosorb G HP Chromosorb G, P or W (AW or NAW)*** Chromosorb G, P or W (AW or DMDCS)*** Chromosorb T Silcoport P Silcoport W BW Silcoport W (replacement for Chromosorb 750)
5%*/10%** 20% 20% 10% (G) 25% (W) 10% (G) 25% (W) 15% 30% 20% 20%
60/80, 80/100, 100/120 45/60, 60/80, 80/100, 100/120 45/60, 60/80, 80/100, 100/120 45/60, 60/80, 80/100, 100/120 45/60, 60/80, 80/100, 100/120 40/60 80/100, 100/120 80/100, 100/120 80/100, 100/120
NAW—nonacidwas hed AW—acid washed DMDCS—dimethyldichlorosilane BW—base washed For coatings over 15% or quantities over 50 grams, please call your Restek representative. *Nonsiliconep hase. **Silicone phase. ***Note: Chromosorb W (AW only) maximum coating is 25%.
ordering note
ordering note
Mesh Size When ordering a packed column solid support, please specify mesh size. Refer to this chart to convert microns to mesh size.
Special phases that require a surcharge: OV®-275, OV®-330, OV®-225, BMBT, 2,4-dimethylsulfolane, Silar, OV®-1701, and XE-60. Call your Restek representative for pricing.
Example: 150–180 micron particles = 80/100 mesh (μm) 850 710 600 500 425 355 300 250 212 180 150 125 106 90 75 63 53
132 www.restek.com
Mesh Size 20 25 30 35 40 45 50 60 70 80 100 120 140 170 200 230 270