Rtx08 540

540 Preservatives, Organic Acids Carboxylic Acids (Pyruvic and Lactic) on Ultra Aqueous C18 Peak List: 1. pyruvic acid ...

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Preservatives, Organic Acids Carboxylic Acids (Pyruvic and Lactic) on Ultra Aqueous C18 Peak List: 1. pyruvic acid 2. lactic acid

H P LC A P P L I C AT I O N S | F O O D S & F L AV O R S

Sample: Inj.: Solvent: Column: Cat.#: Dimensions: Particle size: Pore size: Conditions: Mobile phase: Flow: Temp.: Det.:

Conc. (mg/mL) 5 50 5µL 50mM potassium phosphate, pH 2.5

restek innovation!

Ultra Aqueous C18 9178565 150mm x 4.6mm 5µm 100Å

Excellent peak symmetry in 100% aqueous mobile phase!

50mM potassium phosphate, pH 2.5 1.0mL/min. 26°C UV @ 210nm

Carboxylic Acids on Ultra Aqueous C18

Peak List: 1. malonic acid 2. lactic acid 3. acetic acid 4. citric acid 5. succinic acid 6. fumaric acid

Conc. (µg/mL): 500 500 1000 1000 2000 10

4

5 3 1

Sample: Inj.: Solvent:

10µL water

Column: Cat.#: Dimensions: Particle size: Pore size:

Ultra Aqueous C18 9178565 150mm x 4.6mm 5µm 100Å

Conditions: Mobile phase:

6

2

50mM potassium phosphate, pH 2.5: acetonitrile (99:1) 1.5mL/min. 25°C UV @ 210nm

Flow: Temp.: Det.:

0

1

2

LC_0297

3

4 min.

LC_0140

Organic Acids on Allure® Organic Acids

Organic Acids on Allure® Organic Acids

restek innovation! Baseline resolution of tartaric and quinic acids in 100% aqueous mobile phase!

Peak List: 1. malic acid 2. isocitric acid Sample: Inj.: Conc.:

Peak List: 1. tartaric acid 2. quinic acid 3. malic acid 4. citric acid 5. fumaric acid

Conc. (mg/mL) 1 1 1 1 0.005

Solvent:

5µL approx. 0.2 mg/mL malic acid; 0.02 mg/mL isocitric acid water

Column: Cat.#: Dimensions: Particle size: Pore size:

Allure® Organic Acids 9165575 250mm x 4.6mm 5µm 60Å

Sample: Inj.: Solvent:

10µL standard solution water

Conditions: Mobile phase: Flow: Temp.: Det.:

100mM KH2PO4, pH 2.5 0.5mL/min. ambient UV @ 226nm

Column: Cat.#: Dimensions: Particle size: Pore size:

Allure® Organic Acids 9165585 300mm x 4.6mm 5µm 60Å

Conditions: Mobile phase: Flow: Temp.: Det.:

100mM phosphate buffer, pH 2.5 0.5mL/min. ambient UV @ 226nm

LC_0311

Phone: 800-356-1688 or 814-353-1300 www.restek.com

LC_0238