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Areometer for nitric acid HNO3 0,50:0,5% - 8 577 305
Areometer for nitric acid, HNO3, 0-50:0.5%, with dual density scale, without thermometer
Concentration test sticks type Nitrate/Nitrite - 8 250 267
Concentration test sticks for semi-quantitative determinations, type Nitrate/Nitrite, range 0-10-25-50-100-250-500 mg/l (NO3)- 0-1-5-10-20-40-80 mg/l (NO2), graduation colour change from white to red-violet Box = 100 test sticks 6 x 95 mm