Bottles, Barnes with a Straight Tipped Dropper. Pack of 36.

The Barnes Bottle has a 30 ml (1 oz) capacity. It is often used with indicator solutions and stains. It has a square-shaped flint glass bottle with a straight tipped glass pipet and 5ml red rubber bulb. The rubber dropper forms a cork type seal. Sold in a pack of 36. GSC International 207-36 Barnes Bottles with a Straight Tipped Dropper. Pack of 36. A Barnes bottle with a straight-tipped dropper is a precision dispensing tool commonly used in laboratories and classrooms for controlled liquid application. Micro-Volume Dispensing – Allows for precise drop-wise addition of reagents, essential in titrations and chemical reactions. Solution Spot Testing – Ideal for placing small amounts of liquids on test strips or slides. pH Indicator Application – Convenient for adding drops of indicators like phenolphthalein or bromothymol blue to solutions. Its bent-tip design provides enhanced precision, making it a versatile tool for controlled liquid handling in both educational and professional lab