Nitrogen-Ammonia Standard Solutions as NH3-N 100 mg/L Bottle/500 mL Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Hardness 1 Buffer for hardness titrations with a pH 10.1 ± 0.1 at 20°C. Contains a solution of 2-amino-2-methyl-1-propanol packaged in a medicine dropper bottle (MDB) Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach…

PAN Indicator Solution 0.1% Colorimetric Reagent for low level Manganese Determinations Bottle/100 mL Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Alkaline Cyanide Reagent, Solution For determination of low level manganese Bottle/100 mL Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Phosphate Standard Solution as PO4 (NIST) 50 mg/L Bottle/500 mL Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Standardized for colorimetric pH determination Color range: pH 6.5-8.5 100 mL medicine dropper bottle Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.