10-Pack Unknown Composition Potassium Hydrogen Phthalate Samples, 100g Each, Varying Purities 20-65% Chemical_Standard Buffer Bobbin-wound coil for the demountable

Bobbin-wound coil for the demountable transformer with panel-mount 4mm sockets and an enclosed earth connection

Used to detect proteins by the violet-color reaction with peptide bonds

students will perform three fun and fascinating activities involving polymers

Maximum voltage on any input: 24 V

10-Pack Unknown Composition Potassium Hydrogen Phthalate Samples, 100g Each, Varying Purities 20-65% Chemical_Standard Buffer Bobbin-wound coil for the demountableUsed to challenge students in determining purity by titration of unknowns, this 10 pack of 100g potassium hydrogen phthalate samples ranges 20 65% purity for analytical chemistry practice.