1,3,5-trinitrobenzene Standard -- EPA Method 8270B
from Chem Service, Inc.

Chem Service, Inc. produces high purity chemicals for use as reference materials and for other laboratory purposes. More than 95% of their Standards Grade materials have a certified purity of 98.0% or greater and do not require purity corrections when preparing solutions for use with EPA, ASTM, UST... [See More]

  • Applications: Monitoring for Organic Pollutants
  • Form & Features: Liquids (optional feature); Powders (optional feature); Organic / Polymer; Solids or Solutions
Conductivity Solution -- HI 70030P
from Hanna Instruments, Inc.

Calibration medium [See More]

  • Applications: Conductivity instrument calibration
  • Form & Features: Liquids
DO-SOLUTION
from OAKTON Instruments

Ensure accurate readings by using Oakton solutions with your DO meter. Zero oxygen solution lets you calibrate for accurate low-end readings. Replacement electrolyte should be used whenever you replace the membrane or membrane cap.WD-35640-70 Replacement electrolyte powder, 58.5 g. Mix your own... [See More]

  • Applications: Zero Oxygen Solution for Calibration