4118-AN21_LPN032025-02

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Unformatted text preview: 6. Acetic 7. Carbonate 23 1 Regenerant: 5 mM TBAOH Dilute 10 rnL of 55% TBAOH (tetrabutylammonium hydroxide) per 4 liters of 18 M ohm DI water. SamplePreparation: Filter wine through an 0.45 micron membrane nd a passthrough a C 18 pre-sepcartridge. The pre-sep cartridge shouldbe activatedwith 5 rnL methanol followed with 5 rnL DI water. Dilute wine 1 in 33 or 1 in 25 with DI water. 6 4 J J 0 I Minutes 40 I 60 RECOMMENDED EQUIPMENT Any Dionex Ion Chromatograph quippedwith a e Conductivity Detector: QIC, 2000i, 2000i/SP,or 4000i with Column Heater. -, ::" ~\~~~!r;,:.",., , ..: Red Wine Fast Run 2 White Wine Fast Run 3 Dilution: 1 in 33.3 2 Dilution: 1 in 25 Peaks 1. Citric 2. Tartaric 3. Malic 4. I..actic Succinic & 5. Acetic 6. Carbonate 4 Peaks 1. Citric 2. Tartaric 3. Malic 4. Succinic& Lactic 5. Acetic 6. Carbonate 1 5 4 5 1 I 0 I 5 II 10 15 I 0 MI~tes I 5 I 10 Minutes I 15 Organic Acid Standard Fast Run 50 ppm each 4 1 3 5 Peaks 1. Citric 2. Tartaric 3. Malic 4. Succinic & Lactic 5. Fumaric 6. Acetic 7. Carbonate 7 ---I I 0 I 5 I 10 MInutes I 15...
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This note was uploaded on 10/25/2013 for the course ENGINEERRI Eats 1010 taught by Professor Godwinp.johnson during the Summer '13 term at Southern Illinois University Edwardsville.

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