Description
Neutral-colour litmus paper test strips are the simplest option when an exact pH reading is not needed. Neutral litmus turns red if a solution becomes acidic, or blue if it becomes alkaline, so one strip type can indicate either direction of the acid–base change. They suit teaching laboratories, quick bench checks and routine qualitative work. Each plastic box contains ten booklets with twenty strips per booklet, giving two hundred tests in a space-saving pack. These METRIA indicator papers from manufacturer Labbox complete the classic litmus set with blue and red variants: blue litmus turns red on acidification, while red litmus turns blue under alkaline conditions. Neutral litmus is chosen when bidirectional visual response is preferred without meters or calibrated papers. Net weight is 0,037 kg for convenient storage and handling. As indicator and pH papers they remain a standard consumable for fast colour-based acid–base screening.
This article is part of Test strips & indicator papers, in Test kits & water analysis.
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What is this article?
Litmus neutral Indicator paper, 10 books x 20 strips is the article on this page. Luminix Health distributes Labbox for laboratory use. It sits in Test strips & indicator papers, inside Test kits & water analysis, in Lab chemicals.
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.
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The category is Test kits & water analysis. The sub-category is Test strips & indicator papers. The catalogue is Lab chemicals.
Shelves beside this one are Cuvette tests (Nanocolor), Colorimetric test kits and Test inks & surface tension.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

