Measuring Flask China Specification

Introduction

A measuring flask, also known as a volumetric flask, is a laboratory apparatus designed for precise measurement and preparation of liquid solutions. Below are the specifications for a measuring flask made in China, commonly used in laboratories.

Specifications

1. General Specifications

• Material: High-quality borosilicate glass or soda-lime glass.
• Capacity Range:
  • Available sizes: 25 ml, 50 ml, 100 ml, 250 ml, 500 ml, 1000 ml, and larger.
• Design:
  • Flat-bottomed for stability.
  • Narrow neck with a calibration mark for Approx. accurate measurements.
• Markings:
  • Clear and permanent graduation markings (typically white or amber)

2. Physical Features

• Shape: Pear-shaped body with a long, narrow neck.
• Stopper:
  • Glass or plastic stopper for an airtight seal.
  • Stoppers available in sizes matching the neck diameter.
• Color:
  • Transparent for visibility of contents.
  • Optional amber glass for light-sensitive solutions.

3. Calibration

• Calibrated at 20°C for precise liquid measurements.

4. Heat and Chemical Resistance

• Temperature Resistance: Withstands temperatures up to 150°C (for borosilicate glass).
• Chemical Resistance: Resistant to acids, bases, and organic solvents, making it ideal for various laboratory applications.

Care Instructions

• Avoid sudden temperature changes to prevent breakage.
• Wash thoroughly with laboratory-grade detergents after use.