Universal Indicator, pH Range 4-10

Universal Indicator, pH Range 4-10

Description:

Universal Indicator (pH 4–10) is a blended pH indicator solution or paper that displays a distinct color at each pH value within the range of 4 to 10. This medium-range version is ideal for measuring pH in mildly acidic to moderately alkaline environments, offering a balance between sensitivity and broad usability.

Specifications:

• pH Range: 4 to 10

• Form:

  • Available as solution, test strips, or paper reels

• Color Change:

  • Gradual and distinct color transition at each pH unit (see below)

• Typical Color Scale:

  • pH 4 – Red

  • pH 5 – Orange

  • pH 6 – Yellow

  • pH 7 – Green

  • pH 8 – Blue-Green

  • pH 9 – Blue

  • pH 10 – Purple

• Composition:

  • Mixture of several pH-sensitive dyes such as methyl red, bromothymol blue, thymol blue, etc.

• Packaging:

  • Dropper bottles (10–500 mL), strip booklets, or dispenser rolls

• Storage:

  • Cool, dry place away from light and strong oxidizers

Uses:

• Laboratories: Routine testing of buffer solutions, mild acids/bases

• Educational Demonstrations: Visual learning in chemistry classes

• Water Quality Monitoring: Drinking water, pools, aquariums, wastewater

• Soil Testing: General soil pH measurement in gardening/agriculture

• Cosmetics & Skincare Testing: Checking pH of formulations

• Food & Beverage: Mild pH evaluation in fermented goods or drinks

Features

• ✅ Covers Common pH Range (4–10): Ideal for most biological and chemical systems

• ✅ Quick Visual Readout: Color changes in seconds

• ✅ Distinct Color Shifts: Easy pH identification at each full unit

• ✅ Non-Destructive Testing: Requires minimal sample volume

• ✅ Cost-Effective: Inexpensive option for regular testing

• ✅ User-Friendly: No calibration or electronics required

• ✅ Multiple Formats Available: Suitable for lab or field use

• ✅ Safe and Stable: Generally non-toxic in diluted or dry formats