NSN 6640-01-647-8093

6640016478093

NO

42856

N/A

20

Reference standard chlorine, 25-30 mg/l, 2ml ampules (nist)

Voluette and pourrite ampule standards are designed to work directly with standard additions accuracy checks in hach procedures and photometer software; use the tensette pipet to add precise spikes of standard and check percent recovery, to confirm analytical system performance; open a fresh standard a dditions; sealed ampules prevent accidental contamination or evaporation of standard solutions