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1.16127

Supelco

Lactic Acid Test

reflectometric, 3.0-60.0 mg/L (lactic acid), for use with REFLECTOQUANT®

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Synonym(s):
Lactic Acid chemical test strips, Lactic Acid test strip for instrument reader

description

quantitative

Quality Level

specific analyte(s)

lactic acid

reaction suitability

reaction type: enzymatic reaction

measuring range

3.0-60.0 mg/L (lactic 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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Lactic Acid Test

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1.16981

Ascorbic Acid Test

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Peracetic Acid Test

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Malic Acid Test

compatibility

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

compatibility

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

compatibility

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

compatibility

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

reaction suitability

reaction type: enzymatic reaction

reaction suitability

-

reaction suitability

reaction type: Redox Reactions

reaction suitability

reaction type: enzymatic reaction

description

quantitative

description

quantitative

description

quantitative

description

quantitative

measuring range

3.0-60.0 mg/L (lactic acid)

measuring range

25-450 mg/L (ascorbic acid)

measuring range

75-400 mg/L (peracetic acid)

measuring range

5.0-60.0 mg/L (malic acid)

microbialanalysis
microbialanalysis

microbialanalysis
microbialanalysis

microbialanalysis
microbialanalysis

microbialanalysis
microbialanalysis

General description

Method: reflectometric with test strips 3.0 - 60.0 mg/l Reflectoquant®
The Reflectoquant Lactic acid test measures total lactic acid (sum of D- and L-lactic acid in beverages, e.g. wine, beer and fruit/vegetable juice after dilution. Furthermore the test can be used for the determination of lactic acid in food after pretreatment. Lactic acid (lactate) is oxidized by nicotinamide adenine dinucleotide (NAD) under the catalytic effect of lactate dehydrogenase to a pyruvate. In the presence of diaphorase, the NADH formed in the process reduces a tetrazolium salt to a blue formazan that is determined reflectometrically on the RQflex.

Analysis Note

function control: entspricht
Assay
- standard 1:
4.5 - 5.5 mg/l
- standard 2: 22.5 - 27.5 mg/l
- standard 3: 45.0 - 55.0 mg/l

Legal Information

REFLECTOQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany
RQFLEX is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 2


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