Sigma-Aldrich Ascorbic Acid Test 50 Stri

Description

quantitative

Quality Level

100

Specific Analyte(S)

ascorbic acid

Measuring Range

25-450 mg/L (ascorbic acid)

Compatibility

RQflex^®10 Plus
RQflex^®10
RQflex^®20
for use with REFLECTOQUANT^®

Detection Method

reflectometric

Storage Temp.

2-8°C

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General Description

Ascorbic Acid (vitamin C) counts as an essential quality characteristic in many foods. The content of ascorbic acid is measured during the production and filling procedures in the fruit- and vegetable-processing sector as a measure to guarantee compliance of the minimum required values for preservation. The Reflectoquant Ascorbic acid test strips are suitable for quickly measuring levels of natural ascorbic acid. Ascorbic acid reduces yellow molybdophosphoric acid to phosphormolybdenum blue that is deter mined reflectometrically on the RQflex. For pre-testing a sample in an economic and quick way to estimate the ascorbic acid concentration and a possible dilution factor prior to using this quantitative method we recommend our semi-quantitative MQuant test strips for ascorbic acid.Method: reflectometric with test strips 25 - 450 mg/L Reflectoquant^®

Linkage

Replaces: 16981-1; 16981

Analysis Note

function control: conforms
Assay
- standard 1:
45 - 55 mg/L
- standard 2: 180 - 220 mg/L
- standard 3: 360 - 440 mg/lREFLECTOQUANT is a registered trademark of Merck KGaA, Darmstadt, GermanyRQFLEX is a registered trademark of Merck KGaA, Darmstadt, Germany