Description
AQUADUR 5-25/Ds/100 are ready-to-use test strips for semi-quantitative determination of water hardness in laboratory, process and environmental analysis. The colour scale is graduated at 3 >5 >10 >15 >20 >25 °d, allowing rapid visual classification of total hardness without complex instrumentation. Each strip measures 6 × 95 mm and is designed for simple dip-and-read handling in aqueous samples. Supplied in a pack of 100 sticks, the format suits routine screening of feed water, rinse baths, boilers and similar matrices where hardness control is required. These AQUADUR strips from manufacturer Macherey-Nagel fit standard workflows in water testing, quality control and field checks. Results are obtained by matching the reaction zone against the printed scale after brief immersion, supporting quick go/no-go decisions or trend monitoring. The compact stick format is convenient for bench use and portable kits alike. Pack contents and graduation steps match the stated product designation AQUADUR 5-25/Ds/100, so users can order the correct hardness range for their application without ambiguity.
This article is part of Test strips & indicator papers, in Test kits & water analysis.
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Questions about AQUADUR 5-25/ 100 pcs
What is this article?
AQUADUR 5-25/ 100 pcs is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in Test strips & indicator papers, inside Test kits & water analysis, in Produits chimiques.
A test strip or indicator paper changes colour when it meets an ion, a pH or another analyte. It is a fast, coarse reading. The scale printed on the pack is the only scale that strip may be read against. A wet finger contaminates a pH paper before the sample does.
A test kit turns a chemical question into a colour, a titre or a reading on a strip, so the operator does not have to assemble the method from separate reagents. A cuvette test is a ready optical cell. A strip is a field reading. The range printed on the kit is the range where the answer means something. Outside it, the kit is silent or wrong. The substances inside are on PubChem. Water measurement traces to NIST.
Which category should I open next?
The category is Test kits & water analysis. The sub-category is Test strips & indicator papers. The catalogue is Produits chimiques.
Shelves beside this one are Cuvette tests (Nanocolor), Colorimetric test kits and Test inks & surface tension.
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When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

