Nitrogen-Ammonia standard solution 1 mg/l, 500 ml

Nitrogenf, ammonia set 250 tests UN 2922, 8, 6.1, II, (E)

Non-ionic surfactants

Nutrient Buffer Pillows BOD, 4 ml size for 4 liter Dilution Water, pack of 50

Nutrient buffer solution pillows 19ml, pack of 25

Nutrient buffer solution pillows pack of 50

O-rings made of EPDM for measuring head (21*1) pack of 5

ORBISPHERE 3650/111 Dissolved O2 115 × 150 × 220 mm (WxHxD)

Oxygen dissolved, AV 0-1.00mg/l, Indigo carmine method, pack of 25 (no dan. goods)

Oxygen dissolved, AV 0-15.0mg/l, HRDO-method, (no dan. goods), pack of 25

Oxygen scavangers, PP measuring range 0.003-0,45 DEHA UN 3264, 8, II, (E), for DR 3800/3900, pack of 100

Ozone ampoules AccuVac® 0,0 - 25 mg/l, pack of 25 no dan. goods