Sigma-Aldrich Potassium Test Reflectomet

Description

quantitative

Quality Level

100

Specific Analyte(S)

potassium

Measuring Range

0.25-1.2 g/L (K)

Compatibility

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

Detection Method

reflectometric

Storage Temp.

15-25°C

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Test Strips, Papers & Readers

General Description

Method: reflectometric with test strips and reagent 0.25 - 1.2 g/l K Reflectoquant^®The Reflectoquant Potassium test includes test strips and all necessary additional reagents and is used used for the determination of potassium ions in drinking water and mineral water, industrial water, wastewater, beverages and soils after sample pretreatment. Potassium ions react with dipicrylamine to form an orange-colored complex that is determined reflectometrically on the RQflex. For pre-testing a sample in an economic and quick way to estimate the potassium concentration and a possible dilution factor prior to using this quantitative method we recommend our semi-quantitative MQuant test strips for potassium. Further quantitative determination methods can be found with our Spectroquant tests.

Analysis Note

function control: conforms
Assay
- standard 1:
0.35 - 0.45 g/l
- standard 2: 0.62 - 0.78 g/l
- standard 3: 0.90 - 1.10 g/lREFLECTOQUANT is a registered trademark of Merck KGaA, Darmstadt, GermanyRQFLEX is a registered trademark of Merck KGaA, Darmstadt, GermanyGHS06H302 - H311P264 - P280 - P301 + P312 - P302 + P352 + P312 - P361 + P364 - P405