Column radial

Figure 5. Histamine in cotton plant leaves, peak caused by histamine is indicated by the arrow. Key column, radial-PAK CN eluent, CH,CN/H>0(25 75) .035% HtSOi(v) detection, fluor., post-column with OPT flow, 6 mL/min.

F. 6. Chronnatogram (HPLC) of a mixture of sulfur rings (Sg, S7, Sg, S q, S 2 a-Sjg, Sjo) prepared from the pure compounds (column Radial-Pak C-18, eluent methanol, detector UV absorption at 254 nm)... 

Figure 9.17. Effect of adding ion pair reagent in an RPLC separation of anesthetics. Samples (1) benzocaine (peak 2 in chromatogram b (2) lidocaine (peak 1 in chromatogram b) (3) tetracaine (4) etidocaine. Column Radial Pak Ci8. Mobile phase 60% acetonitrile in water pH 3 1% triethylamine added in chromatogram b. Reprinted from the Journal of Chromatographic Science by permission of Preston Publications, Inc.

FIGURE 7-5. A 0 to 10% gradient separation of polar compounds. Components (1.0 p.g each) (1) uracil, (2) hypoxanthine, (3) 3-methyl xanthine, (4) theobromine, (5) theophylline, and (6) /3-hydroxyethyl theophylline. Solvent A 0.01 M sodium ace-tate/water. Solvent B acetonitrile. Flow rate 2.0 mL/min. Gradient 0-10% solvent B using a linear shape (top line). Run time 50 min. Injection volume 15 p.L. Column Radial-Pak Resolve Cig (10 /xm) 8 mm ID x 10 cm. Detector UV at 254 nm, 0.1 AUFS. (Reproduced from reference 1 with permission.)... 

J Separation was performed with a normal phase column (Radial-PAK Si) using hexane-ethyl acetate (3 1 v/v) as eluent Elution volumes are listed relative to that of the triacetate of 6c (elution volume = 20 ml), the void volume of the system was 3 6 ml... 

Separation was performed on reverse phase columns (Radial-PAK C, and Radial-PAK Q) using water-acetonitrile-acetic acid (90 10 1 v/v/v) as eluent. Elution volumes are listed relative to that of o-hydroxypropioguaiacone fe elution volume 25 ml (Radial-PAK C,) and —42 ml (Radial-PAK C ) the void volumes of both systems were 3.6 ml. 

Column Radial-Pak pBondapak NH. (100x8 mm ID), mobile phase tetrahydrofuran - acetonitrile -water - methanol (55 30 10 5), flow rate 3.0 ml/min, detection UV 215 nm. Peaks 1, y-chaco-nine 2, 62-chaconine 3, Brchaconine 4, a-chaconine. 

Chromatogram f column Radial-Pak C8 (100x8 nm ID), mobile phase acetonitrile - water - ethanolamine (55 45 0.1), flow rate 3 ml/min, detection UV 200 nm. 

Fig. 11.3.1. HPLC separation of fatty acids. Chromatographic conditions column, Radial-Pak Cjg cartridge (5 jam) (100x8 mm I.D.) attached to a guard column (49x4.6 mm I.D.) dry packed with 37-SO /am C]g Corasil reversed phase material mobile phases, methanol-water-acetic acid (89 11 0.2) (A), methanol-water-acetic acid (80 20 0.2) (B) flow rates, 1.0 ml/min (A), 2.0 ml/min (B) detection, UV at 214 nm. Peaks 1, eicosapentaenoic acid (20 5, 2 aracUdonic acid (20 4,...

HUB RING SUPPORT FOR LARGE DIAMETER COLUMN RADIAL BEAMS ARE LATTICE TYPE... 

Variations on the basic drilling machine include bench, column, radial arm, gang, multiple spindle, turret and CNC controlled turret. 

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