10-Pack Unknown Composition Potassium Hydrogen Phthalate Samples, 100g Each, Varying Purities 20-65% Chemical_Standard Buffer Used to detect proteins by

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

Maximum voltage on any input: 24 V

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

Basic 15-slide set pairs common plant and animal tissue preparations for short-unit microscopy coursework in middle school and early high school

10-Pack Unknown Composition Potassium Hydrogen Phthalate Samples, 100g Each, Varying Purities 20-65% Chemical_Standard Buffer Used to detect proteins byUsed 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.