PH Chart (70x100cm)

The “pH Chart (70x100cm)” is a large, educational wall chart that visually explains the pH scale, showing the acidity or alkalinity of common substances and providing essential reference material for science classrooms and laboratories.​

Physical Specifications

Size: 70 × 100 cm, providing high visibility across classrooms or lab spaces.​

Material: Multicolour printing on durable synthetic or polyart paper (often 80 GSM map litho), sometimes thermally laminated with 30-micron polyester film for longevity and easy cleaning.​

Mounting: Some posters have top and bottom rollers or hanging strings for convenient display; others include double-sided tape for wall attachment.​

Content and Educational Features

The chart illustrates the complete pH scale from 0 (most acidic) to 14 (most alkaline), clearly marking the neutral point at 7.​

Standard colors represent different pH values based on universal indicators: red for strong acids, green for neutral, and purple for strong bases.​

Everyday substances are listed at their corresponding pH values:

Acids: battery acid (0), lemon juice (2), vinegar (3), orange juice (4), black coffee (5).

Neutral: pure water (7).

Bases: baking soda (9), ammonia (11), bleach (13).​

Some charts include safety advice and the importance of pH in environmental and biological contexts.​

Uses in Education and Laboratory

Designed as a quick reference while conducting experiments involving acids, bases, indicators, or titrations.​

Supports lessons in chemistry, environmental science, biology, and food science—helping students link theoretical concepts to real-world examples.​

The large size and vivid colors ensure visibility, aiding understanding even from a distance or in group settings.​

This pH chart is essential for making scientific concepts tangible, reinforcing safe laboratory conduct, and fostering comprehension of acids, bases, and chemical reactions in the learning environment.