Red Litmus Test Paper 8x10 Inch Sheet [Pack of 24]
Red Litmus Test Paper 8x10 Inch Sheet [Pack of 24] - Image 2
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Red Litmus Test Paper 8×10 Inch Sheet [Pack of 24]

$25.58

Quantity Discount
2+ 5 %
10+ 9 %
25+ 13 %
SKU: PLI05S24 Categories: , UPC: 649985533297

Description

  • Customizable for Any Application: Large 8” x 10” sheets can be cut into smaller strips or shapes to fit tight spaces, small crevices, or large surface areas.
  • Fast, Clear Alkalinity Detection: Instantly identifies basic (pH > 7) solutions by turning from red to blue — no color chart required.
  • Foolproof Simplicity: Provides a clear “yes” or “no” answer for the presence of a base, making it ideal for both scientific and industrial use.
  • Versatile Leak Detection: Ideal for spotting splatter, spills, or leaks of basic liquids in manufacturing, industrial, or laboratory environments.
  • Reliable, Repeatable Results: Delivers consistent performance for accurate testing, making it a dependable tool for quality control and scientific analysis.

Red Litmus test paper is a foolproof pH test to determine if something is a base. The Red Litmus test paper does not come with a color chart as it cannot provide you with a defined pH value. The test strip will turn blue if dipped into an alkaline solution (pH >7). The test strip will turn blue in seconds if dipped into a solution that is a base, and will remain unchanged if it is an acid.

This item comes in 8″ x 10″ sheets, you can use a paper cutter to make your own custom sized strips from this sheet. You can also use these to monitor manufacturing processes, leak detection of basic liquids, and scientific testing. We have the ability to produce this paper in larger sizes, up to 20″ x 24″.

Additional information

Weight 1 oz
Dimensions 12 × 10 × 1 in

FREQUENTLY ASKED QUESTIONS (FAQ)

What is a litmus test?

A litmus test is a simple experiment or method used to determine the acidity or alkalinity of a substance. It typically involves the use of litmus paper, which changes color when it comes in contact with acidic or basic solutions. A red color indicates acidity (pH < 7), while a blue color indicates alkalinity (pH > 7). Litmus paper is generally qualitative, meaning it will tell you if a solution is acidic or basic. It will not tell you the pH, to measure pH with more precision and quantitatively you need a quantitative pH test. The term “litmus test” is also used metaphorically to describe a quick, decisive way to judge something.

Where does the word “litmus” come from?

The word “litmus” comes from the Old Norse word *litmos*, which means “dye” or “color.” It refers to the dye derived from lichens, particularly those from the genus *Roccella*, which is used in litmus paper to indicate pH levels. This dye is responsible for the color change seen in litmus tests.

Where can you buy litmus paper?

Litmus paper can be purchased on our website or through our many distributors. On this page you can order large 8 x 10 inch sheets of our red litmus paper but we also offer the same format with blue litmus paper and in small precut strips. We have the capability to produce this paper in custom sized sheets, up to 20″ x 24″, if you have special requirements please contact us.

What color does red litmus paper turn in acids?

Red litmus paper stays red in acidic solutions.

What color does red litmus paper turn in basic solutions?

Red litmus paper turns blue in basic (alkaline) solutions.

What color does red litmus paper turn in neutral solutions?

Red litmus paper stays red in neutral solutions.

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