Nigrosin Acid Black 2 Saturated Solution, 100mL Physics_Light & Optics and forensic techniques for comprehensive

and forensic techniques for comprehensive criminal investigation simulation

Center-of-gravity kit demonstrating how objects balance at their center of mass

and scapular spine define this natural-size right scapular replica for teaching shoulder articulation and rotator cuff anatomy

5 by 3 inch unit for maintaining classroom magnet inventories

For demonstrating selective molecular transport in biology and chemistry classrooms

Nigrosin Acid Black 2 Saturated Solution, 100mL Physics_Light & Optics and forensic techniques for comprehensiveUsed as a negative stain to highlight bacterial morphology and capsules without fixing cells first, this 100mL bottle of nigrosin (Acid Black 2) saturated solution serves microbiology slide work.