B1031 - COD Standard, 10,000 ppm, 250mL
Primary Standard Grade Potassium Hydrogen Phthalate.
Refrigeration is Recommended.
Method Compliance:
This product complies with the following methods:
EPA 410.4 SM 5220D-2011 HACH 8000
ASTM D1252-06
ISO 15705:2002
USGS I-3561-06
BS 6068-2.34:1988 DIN 38414-9 ISO 6060:1989
In-stock