Nigrosin Acid Black 2 Saturated Solution, 100mL Physics_Light & Optics Center-of-gravity kit demonstrating how objects

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

and quantitative analysis for up to 60 students

and forensic techniques for comprehensive criminal investigation simulation

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

Nigrosin Acid Black 2 Saturated Solution, 100mL Physics_Light & Optics Center-of-gravity kit demonstrating how objectsUsed 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.