Hanna 500mL Buffer 4 pH Solution(BN/EXP) Science/Light-Colour/Light-Colour Roadster II cedar tops are

Roadster II cedar tops are finished and sealed in high grade

With adjustable thumb rest for comfort

the Polydron STEM Set provides a platform for hands-on learning and discovery that will captivate minds of all ages

On either end of this wooden Triangular Activity Centre there's a sorting activity (counting and animal matching)

Borosilicate glass

Hanna 500mL Buffer 4 pH Solution(BN/EXP) Science/Light-Colour/Light-Colour Roadster II cedar tops areThe pH 4. 01 buffer is available in a 500ml bottle, one of the most commonly used buffer solutions. It is extremely stable and represents the mid way point in the acid range of the pH scale ideal for those requiring an accurate acid reading, particularly those working in water purification plants, the food industry, and wherever the pH is expected to be acidic. Buffer solutions should be stored at 25? C, away from direct sunlight for accurate