Laboratory Grade Sodium Bicarbonate, 2.5kg Base Size_13 x 7" Engineered with a higher spring

Engineered with a higher spring constant than a classic coiled novelty spring

Hundred-twenty-seven-piece molecular model kit for inorganic chemistry with single and double covalent bonds

and glassware cleaning

pre-assembled on a benchtop base for hands-on fluid-mechanics demonstrations

holding pH stable at 25 degrees C for calibrating meters and electrodes at the standard low-acid reference point

Laboratory Grade Sodium Bicarbonate, 2.5kg Base Size_13 x 7" Engineered with a higher springBulk 2. 5kg of laboratory grade sodium bicarbonate, the high volume buffering agent for whole class acid base demonstrations, fermentation chemistry, and pH control experiments.