US$ 99.00
and selective chemistry demonstrations
and continuous DC demonstrations beyond the reach of dry-cell stacks
taste buds
the high-concentration strong-base working stock for titrations
Red color-coding and acetone labeling on this 500mL self-venting LDPE wash bottle support rapid solvent identification at crowded lab benches
Soil Macronutrient NPK Test Kit Lab Supplies_Weights & Masses and selective chemistry demonstrationsSoil macronutrient test kit analyzes NPK content through chemical testing, agricultural chemistry, and plant growth requirement investigation.
US$ 99.00
US$ 119.00
US$ 114.50
US$ 80.00
US$ 107.00
US$ 180.00
US$ 49.00
US$ 104.50
US$ 70.00