Name: Nu Chek Prep Inc
Address: 109 W Main St, Elysian, MN, 56028-2034, USA
Telephone: (507) 267-4689

Our association with Lipid Researchers over the past three decades; during meetings, seminars and conventions, has brought about suggestions in many ways to improve product listing. One of these suggestions was that a larger listing of model mixtures that would be more representative of a specific oil would be of special interest. In this listing, we have included many new model standards along with our original series of exact weights in various percentages to assist you in GLC correlations.
If you have a special oil in mind which is not listed either as a natural oil or as a preweighed standard, please contact us.
Nu-Chek-Prep reference standards are prepared from individual chromatographically pure lipid esters. Each component used in making up our reference mixture is carefully checked by GLC using large overloads. Only those fractions which meet our rigid requirements go into the final make-up. After being weighed to the nearest tenth of a milligram, the combined material is again analyzed as a total mixture. They are then flushed with nitrogen, sealed in glass ampules under vacuum, and finally stored at -30?C. until ready for shipment.

NU-CHEK HAS BEEN PREPARING GLC AND TLC STANDARDS FOR OVER 38 YEARS. WE START BY PURIFYING EACH INDIVIDUAL FATTY ACID METHY LESTER TO >99%, THEN INCORPORATING THEM INTO OUR STANDARDS. WE HAVE OVER 130 DIFFERENT STANDARDS TO CHOOSE FROM. IF YOU STILL CAN'T FIND WHAT YOU ARE LOOKING FOR, JUST CALL, FAX OR E-MAIL. WE HAVE CUSTOM SYNTHESIS AVAILABLE AND CAN MAKE ANY CONCENTRATION OF FATTY ACIDS WHICH NU-CHEK SELLS. BELOW ARE A FEW COMMON GLC'S WHICH CAN BE USED TO IDENTIFY VARIOUS SEED OILS OR ANIMAL FAT.

Nu Chek Prep Inc

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