1% Methylene Blue, 500mL - Aqueous - The Curated Chemical Collection Material_Iron sized for measuring direction and

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

sized to detect small currents flowing in either direction during induction

and pistil of monocot grass flowers for cereal-crop botany teaching

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

1% Methylene Blue, 500mL - Aqueous - The Curated Chemical Collection Material_Iron sized for measuring direction andMethylene blue staining solution used in microbiology and biology labs for bacterial cell observation and basic cytoplasmic structure visualization.