Litmus paper (Universal 1-14)

Extensive Test Paper pH 1–14, 80 Test Papers

Chemical Identity:
Universal pH indicator test paper. This is a test-paper product rather than a single chemical substance.

Grade & Compliance:
Laboratory/general testing grade.
pH range: 1–14.
Quantity: 80 test papers per booklet.
No specific analytical grade or regulatory certification is stated on the supplied product image.

Physical & Chemical Properties:
Form: Paper strips supplied in booklet format.
Appearance: Yellow test paper with a printed pH colour comparison chart.
pH Range: 1–14.
Detection principle: Colour change of the indicator paper following contact with the test sample, followed by visual comparison with the supplied colour scale.
The product is intended for rapid approximate pH determination rather than high-precision instrumental measurement.

Specification (Typical AR Limits):
pH measurement range: 1–14.
Pack quantity: 80 test papers.
Format: Booklet.
Colour reference: Graduated colour chart covering pH 1–14.
Measurement: Visual comparison.

Functional Uses (Laboratory Relevance):
Used for rapid determination or screening of the approximate pH of aqueous samples.
Suitable for:
– Laboratory testing
– Water testing
– Environmental testing
– Educational and teaching laboratories
– Food and beverage testing
– General chemical testing
– Preliminary acidity/alkalinity assessment

Preparation Insight (Lab Use):
No reagent preparation is required.
Expose the indicator portion of the test paper to the sample according to the intended testing procedure, allow the colour to develop, and compare the resulting colour with the supplied pH 1–14 reference chart.
For applications requiring accurate quantitative pH measurement, use a properly calibrated pH meter.

Packaging & Presentation:
Supplied as a booklet containing 80 pH test papers.
The booklet incorporates the pH 1–14 colour comparison chart for convenient visual interpretation.

Hazard & Safety Information:
The test paper itself is intended for general laboratory testing.
When testing unknown, corrosive, toxic, biological, or otherwise hazardous samples, appropriate laboratory PPE and sample-handling procedures should be followed.
Avoid unnecessary contamination of unused test papers.

Storage Conditions:
Store in a cool, dry environment.
Protect from moisture, excessive heat, direct sunlight and chemical vapours.
Keep the booklet closed and protected from humidity when not in use.

Shelf Life:
Not specified on the supplied product packaging/image.
Follow the manufacturer’s stated shelf-life or expiry information where provided.

Manufacturer (as per label):
Manufacturer/brand not clearly identifiable from the supplied product image.