BS 4591:1990

What is BS 4591- Distillation characteristics of organic liquids about?

BS 4591 discusses organic liquids. BS 4591 specifies an apparatus and method for the determination of distillation characteristics of volatile organic liquids.

BS 4591 applies to volatile organic liquids that (excluding petroleum products) have a boiling point in the range of 30 to 300 °C approximately and are stable during distillation in atmospheric conditions.

Who is BS 4591- Distillation characteristics of organic liquids for?

BS 4591 on distillation characteristics of organic liquids is useful for:

• Chemical manufacturers
• Paint manufacturers
• Pharmaceuticals
• Quality control personnel

Why should you use BS 4591- Distillation characteristics of organic liquids?

Volatile organic liquid (VOL) means any organic liquid that can emit volatile organic compounds into the atmosphere. Volatile organic liquid (VOL) means any organic liquid that can emit volatile organic compounds into the atmosphere.

BS 4591 guides you on the method of determining the distillation characteristics of volatile organic liquids. BS 4591 guides you with the apparatus and sampling required for the test procedure. BS 4591 guides you with the correction of barometer and temperature readings. BS 4591 helps you in the purity of the volatile organic liquid.   

What’s changed since the last update?

BS 4591:1990 supersedes BS 4591:1971 which is withdrawn. BS 4591:1990 includes some technical changes with respect to BS 4591:1971. These include:

• Reference to “asbestos board” and “asbestos shelf” has been replaced by “heat-resistant board” and “heat-resistant shelf” throughout, as the use of asbestos is now deprecated, for health reasons.