Pack of 5, 500ml Heavy Duty Round Narrow-Mouth Brown Amber Cuvettes back screen for teacher to

back screen for teacher to observe the results

Included: 19 Hole Blue Z Shape Metal Test Tube Rack Heavy Duty Test Tube Holder

High IP protection class (IP 65)

Molecular Formula: HNO3

Pack of 5, 500ml Heavy Duty Round Narrow-Mouth Brown Amber Cuvettes back screen for teacher toIncluded: 5 x 500ml Heavy Duty Round Narrow Mouth Brown Amber Borosilicate Glass Bottles with Inner Stopper and Screw Cover. Designed for collecting water samples for a variety of organic and inorganic target analytes where light protection is required. Autoclavable, with superior chemical durability. Low temperature gradient can withstand high temperatures & thermal shocks. Premium Quality: Bottle is made of high quality, heavy duty and lab grade