59564

SUPELCOSIL^™ LC-18 (5 µm) HPLC Columns

L × I.D. 2 cm × 4 mm Supelguard Guard Cartridge pkg of 2 ea, Guard Cartridge holder required for use

• UNSPSC Code: 41115700
• eCl@ss: 32110501

Propiedades

• product name: Cartucho SUPELCOSIL^™ LC-18 Supelguard, 5 μm particle size, L × I.D. 2 cm × 4 mm
• 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 μm
• pore size: 120 Å
• pH range: 2-7.5
• application(s): food and beverages
• compatibility: use to protect LC-18, LC-PAH
• separation technique: reversed phase

Descripción

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