1% Methylene Blue, 500mL - Aqueous - The Curated Chemical Collection Material_Iron and a 3-element prism stack

and a 3-element prism stack mounted in a wooden carrying case provide rapid spectral examination of light sources

One-amp AC scale on a 315x115mm laminated panel with sealed shunt

supplying a space-efficient option for chemistry classrooms with limited drawer or cabinet storage between lessons

sized for measuring direction and field strength on the lab bench

deflecting visibly in the presence of a charged object to reveal both charge presence and polarity

1% Methylene Blue, 500mL - Aqueous - The Curated Chemical Collection Material_Iron and a 3-element prism stackMethylene blue staining solution used in microbiology and biology labs for bacterial cell observation and basic cytoplasmic structure visualization.