Dionex ionpac as19 4 μm

Manufactured by Thermo Fisher Scientific

The Dionex IonPac AS19-4 μm is an analytical column designed for the separation and determination of anions. It features a particle size of 4 μm and is intended for use in ion chromatography applications.

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Lab products found in correlation

Xcalibur 3, by Thermo Fisher Scientific (1 mentions) Thermo q exactive orbitrap, by Thermo Fisher Scientific (1 mentions) Chromeleon software, by Thermo Fisher Scientific (1 mentions) Ics 5000 system, by Thermo Fisher Scientific (1 mentions)

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Ionpac AS19

2 protocols using dionex ionpac as19 4 μm

Comprehensive Ionic Chromatography-HRMS Analysis

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The instrumental analyses were performed by a Dionex ICS-5000+ Ionic Chromatography (IC) system (Sunnyvale, CA, USA) coupled to a Thermo Q-Exactive Orbitrap™ (Thermo Scientific, San Jose, CA, USA), equipped with a heated electrospray ionization (HESI) source. For the analyte separation, a Thermo Scientific Dionex IonPac AS19-4 μm (2 × 250 mm, 4 μm particle size) with a Dionex IonPac AG19-4 μm guard column (2 × 50 mm) was used. The gradient, all IC, and HRMS parameters were described in Chiesa et al. [7 (link)].
Chromeleon^TM (Thermo Fisher Scientific, San Jose, CA, USA) and Xcalibur^TM 3.0 (Thermo Fisher Scientific, Waltham, MA) software was used to control the IC and HRMS system, respectively.

Panseri S., Bonerba E., Nobile M., Di Cesare F., Mosconi G., Cecati F., Arioli F., Tantillo G, & Chiesa L. (2020). Pesticides and Environmental Contaminants in Organic Honeys According to Their Different Productive Areas toward Food Safety Protection. Foods, 9(12), 1863.

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Ion Chromatography Analysis of Samples

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The analyses were accomplished by an Ionic Chromatography (IC) Dionex ICS-5000+ system (Sunnyvale, CA, USA) made up of a Dual Pump (DP), a Conductivity Detector (EG), a Detector/Chromatography Module (DC) and an Autosampler (AS-AP). The ion chromatography separation column was a Thermo Scientific Dionex IonPac AS19-4 μm (2 × 250 mm, 4 μm particle size) with a guard column Dionex IonPac AG19-4 μm (2 × 50 mm) maintained at 30 °C. The eluent flow rate was 0.30 mL/min with a gradient from 15 mM KOH (aq), held for 8 min, increased to 55 mM KOH (aq) at 20 min, held in these conditions for 4 min and back to 15 mM KOH (aq) at 24.1 min, with a cycle time of 30 min. The KOH eluent was neutralized using Dionex anion self-regenerating suppressor set to 50 mA (ASRS II, 4 mm). Chromeleon TM software (Thermo Fisher Scientific, Waltham, MA) was used to control the IC system and to elaborate the data obtained.

Chiesa L., Arioli F., Pavlovic R., Villa R, & Panseri S. (2019). Detection of nitrate and nitrite in different seafood. Food chemistry, 288.

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