Macherey-Nagel

• Gradation: 0 - 10 - 25 - 50 - 100 - 250 - 500 - 1000 mg/L Ni2+

• Color change: white to bright-red

• For the determination of Nitrate and Nitrite

• Gradation: 0 - 5 - 10 - 25 - 50 - 75 - 100 mg/L NO3- (Nitrate)

• Gradation: 0 - 0.5 - 2 - 5 - 10 - 25 - 50 mg/L NO2- (Nitrite)

• Color change: yellow to red-violet (Nitrate)

• Color change: yellow to red-violet (Nitrite)

• Gradation: 0 - 1 - 5 - 10 - 20 - 40 - 80 mg/L NO2-

• Color change: white to red-violet

• Gradation: 0 - 0.1 - 0.3 - 0.6 - 1 - 2 - 3 g/L NO2-

• Color change: yellow to red

• For the determination of Nitrite and pH

• Gradation: 0 - 1 - 5 - 10 - 20 - 40 - 80 mg/L NO2- (Nitrite)

• Gradation: 6.0 - 6.4 - 6.7 - 7 - 7.3 - 7.6 - 7.9 - 8.2 - 8.4 - 8.6 - 8.8 - 9.0 - 9.3 - 9.6 (pH)

• Color change: white to red-violet (Nitrite)

• Color change: yellow-orange to violet-red (pH)

• Gradation: 0 - 5 - 10 - 20 - 30 - 50 mg/L Peracetic acid

• Color change: white to blue

• CE-certified

• Gradation: 0 - 50 - 100 - 200 - 300 - 400 - 500 mg/L Peracetic acid

• Color change: yellow to green

• CE-certified

• Gradation: 0 - 500 - 1000 - 1500 - 2000 mg/L Peracetic acid

• Color change: bright yellow to red

• CE-certified

• Gradation: 0 - 0.5 - 2 - 5 - 10 - 25 mg/L H2O2

• Color change: white to blue

• Gradation: 0 - 1 - 3 - 10 - 30 - 100 mg/L H2O2

• Color change: white to blue

• CE-certified

• Gradation: 0 - 50 - 150 - 300 - 500 - 800 - 1000 mg/L H2O2

• Color change: white to brown

• Gradation: 0 - 3 - 10 - 25 - 50 - 100 mg/L PO4 3-

• Color change: white to blue-green

• Gradation: 0 - 200 - 400 - 700 - 1000 - 1500 mg/L K+

• Color change: yellow to orange

• Gradation: 0 - 10 - 25 - 50 - 100 - 250 - 500 - 1000 mg/L Benzalkonium chloride

• Color change: yellow to blue-green

• Gradation: 0 - 1 - 2 - 3 - 5 - 7 - 10 g/L Ag+

• Color change: yellow to brown

• Gradation: < 200 > 400 > 800 > 1200 > 1600 mg/L SO4 2-

• Color change: red to yellow

• Gradation: 0 - 10 - 25 - 50 - 100 - 250 - 500 - 1000 mg/L SO3 2-

• Color change: white to salmon

• Gradation: 0 - 10 - 25 - 50 - 100 - 250 - 500 mg/L Sn2+

• Color change: white to dark blue

• Gradation: 0 - 2 - 2.5 - 3.0 - 3.5 - 4.0 - 5.0 g/L citirc acid

• Color change: pink to yellow

• Gradation: 0 - 2 - 5 - 10 - 25 - 50 - 100 mg/L Fe2+ 3+

• Color change: white to blue-violet