DL Methionine Feed Grade

DL methionine is an essential amino acid used in poultry livestock and aquaculture feed.

DPD Free Chlorine Reagent Powder Pillows (PP) are pre-measured, single-use, Boric Acid-free reagents designed for rapid and accurate 10 mL sample testing of Free Chlorine

Key Features & Details: 
Method: DPD (N,N-diethyl-p-phenylenediamine) produces a pink/red color proportional to free chlorine concentration.
Application: Suitable for drinking water, wastewater, and industrial monitoring (EPA compliant).
Sample Size: Designed for 10 mL, though variations for 25 mL are available.
Storage: 10–25 °C.
Packaging: Typically sold in packs of 100.
Usage: Simply open the powder pillow, add it to the sample, mix, and measure with a compatible Hach colorimeter or spectrophotometer.