Item in Stock. Dispatched within 24Hrs. Cuvette test, (tube test / cell test / vial test), photometric, chemical oxygen demand (COD), 1000 - 10000mg/L O2 measurement range, Dichromate method, according to ISO 6060-1989 standard and DIN 38409-H41-H44 standard, pre-dosed, ready to use, pack of 25, Hach Lange, LCK Cuvette Test, LCK014.