General description
Guard columns are placed before the analytical column to protect and prevent harmful materials entering into the latter. It also helps as a backup to the in-line filter and also checks for leak through filter. The most suitable are short cartridge which is inserted into the cartridge holder.
Application
SUPELCOSIL™ LC-18 Supelguard™ Cartridge was used as guard column for Supelcosil™ LC-18 HPLC column to analyze glucose tetrasaccharides in blood and urine samples using HPLC-electrospray ionization mass spectrometry (HPLC-ESI-MS). It was also suitable for analysing polar compounds in non-polar matrices using gas chromatography separation.
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Legal Information
SUPELCOSIL is a trademark of Sigma-Aldrich Co. LLC
Supelguard is a trademark of Sigma-Aldrich Co. LLC
Agency: suitable for USP L1. Quality Level: 100. packaging: pkg of 2 . ea. parameter: <. 70 °C temp. range. technique(s): HPLC: suitable. L × I.D.: 2 . cm × 4 . mm . matrix: silica gel high purity, spherical. matrix active group: C18 (octadecyl) phase. particle size: 5 . μ. m. pore size: 120 . Ã…. pH range: 2-7.5. application(s): food and beverages. compatibility: use to protect LC-18, LC-PAH. separation technique: reversed phase.- UPC:
- 41115710
- Condition:
- New
- Weight:
- 1.00 Ounces
- HazmatClass:
- No
- WeightUOM:
- LB
- MPN:
- 59564