Skip to Content
Merck
All Photos(1)

Documents

G005624

HPLC Analysis of Water-Soluble B-Vitamins on Ascentis® Express F5

application for HPLC

Sign Into View Organizational & Contract Pricing


About This Item

technique(s)

HPLC: suitable

test parameters

column: Ascentis Express F5, 5 cm x 3.0 mm I.D., 2.7 μm particles (53576-U)
mobile phase: [A] 20 mM potassium phosphate, dibasic, pH 6.2; [B] acetonitrile
gradient: 0% B for 1.5 min, 0-10% over 0.5 min; to 15% B in 1.5 min, 2 min re-equilibration at 0% B
flow rate: 1.5 mL/min
pressure: 4931 psi (340 bar)
column temp.: 35 °C
detector: UV, 210 nm
injection: 5 μL
sample: all vitamins in water, 10 μg/mL for nicotinic acid and folic acid, 12 μg/mL for thiamine hydrochloride and cyanocobalamin, (20 μg/mL for pyridoxine, 30 μg/mL for riboflavin, 40 μg/mL for niacineamide, 100 μg/mL for calcium pantothenate, 120 μg/mL for biotin)

suitability

application for HPLC

application(s)

vitamins, nutraceuticals, and natural products

Analysis Note

A mix of 9 water-soluble B-vitamins was separated on Ascentis Express F5 column

Legal Information

Ascentis is a registered trademark of Merck KGaA, Darmstadt, Germany

Analyte

Description

    Calcium pantothenate, meets USP testing specifications, monograph mol wt. 476.53 (C18H32CaN2O10)
    Nicotinic acid, ≥99.5% (HPLC)
    Pyridoxine hydrochloride, ≥98% (HPLC)
    Biotin, ≥99.0% (T)
    Nicotinamide, ≥98.5% (HPLC)
    Folic acid, analytical standard
    Thiamine hydrochloride, reagent grade, ≥99% (HPLC)
    Riboflavin (B2), analytical standard
    Cyanocobalamin (B12), analytical standard
    See All (9)

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service