Turbidity 5 NTU Calibration Standard - Formazin,certified reference material

4-Vinylpyridine,contains 100 ppm hydroquinone as inhibitor, 95%

Water,sterile-filtered, BioReagent, suitable for cell culture

Triton™x-100,laboratory grade

Triton™x-114,laboratory grade

Thallium Standard for ICP,TraceCERT, 10 g/L Tl in nitric acid (nominal concentration)

Selenium Standard for ICP,TraceCERT, 10 g/L Se in nitric acid (nominal concentration)