Reagent Grade Anhydrous Sodium Thiosulfate, 500g Size_16 Inch Larger 32mm iron density cube

Larger 32mm iron density cube weighing 252g with an integrated hook extending total height to 1

Four-piece earth-layer specimen set pairs granite and basalt with olivine and peridotite for crust-to-mantle comparative petrology teaching

silicon tubing in a 5-by-1 mm profile supports biology laboratory runs where cross-contamination between experiments matters

Cell division mitosis model demonstrates prophase through telophase stages for comprehensive cell cycle and reproduction instruction

Reagent Grade Anhydrous Sodium Thiosulfate, 500g Size_16 Inch Larger 32mm iron density cubeUsed as the standard reducing agent titrant in iodometric titrations, this 500g bottle of reagent grade anhydrous sodium thiosulfate determines the concentration of iodine and other oxidizers.