Macherey-Nagel

• For Sea water analysis

• For colorimetric pH determination in the range of 4 to 10

• Especially useful in weakly buffered solutions

• Gradation (pH): 4.0 - 4.5 - 5.0 - 5.5 - 6.0 - 6.5 - 7.0 - 7.5 - 8.0 - 8.5 - 9.0 - 9.5 -

• Allows the quick and easy detection of nickel

• For non-destructive testing of materials, apply a drop of 3% Nitric acid (1 part Nitric acid 85%, 5 parts water) to the degreased surface. After 1 minute, absorb the liquid with the test pape

• Wet-strengthened, general purpose, ashless filter paper with medium speed and medium retention

• Typical applications include gravimetric analysis for components, quantitative determinations of sediments and high purity clean up procedures

• Singly sealed to ensure long-term stability and protection against many external influences

• Have to be placed in the plastic reel with color scale to be used

• Gradation (pH): less than 3.8 - 3.8 - 4.1 - 4.3 - 4.5 - 4.7 - 4.9 - 5

• Gradation: 0 - 55 - 100 - 250 - 400 - 600 - 800 mg/L Fructose / Glucose

• Color change: yellow to ocher

• Equivalent to Whatman No. 4

• Fast filter paper with excellent retention of coarse particles and gelatinous precipitates

• This soft filter paper is used for example in routine clean up of biological or organic solutions

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• MN 615

• Equivalent to Whatman Grade No. 1

• Medium fast filtration for general laboratory use

• Ashless, very slow filter paper for the filtration of finest particles in quantitative range

• Surface: Smooth

• Basis weight: 100 g/m2

• Thickness: 0.2 mm

• Filtration speed: 195 s

• Material: Cellulose

• With chemically bound indicators which prevents bleeding and therefore contamination of the sample

• Gradation (pH): 7.5 - 7.9 - 8.2 - 8.4 - 8.6 - 8.8 - 9.1 - 9.5

• Length: 85 mm

• Width: 6 mm

• For the rapid and reliable determination of cobalt in solutions

• The easy dip-and-read-procedure provides a reliable result within 20 seconds

• Cobalt is also used for metal alloys and can in other compounds be part of catalysts <

• The fastest qualitative filter paper with highest flow rate

• This very soft filter paper is used for example in routine clean up of large volumes of sample with coarse particles

• Surface: Smooth

• Basis weight: 85 g/m2 <

• Equivalent to Whatman No. 41

• Fast, ashless filter paper

• Recommended for analytical procedures involving coarse particles or gelatinous precipitates

• Surface: Smooth

• Basis weight: 85 g/m2

• Thicknes

• Equivalent to Whatman No. 41

• Fast, ashless filter paper

• Recommended for analytical procedures involving coarse particles or gelatinous precipitates

• Surface: Smooth

• Basis weight: 85 g/m2

• Thicknes

• For Sea water analysis

• For colorimetric pH determination in the range of 1 to 13

• Especially useful in weakly buffered solutions

• Gradation (pH): 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13

• Complet

• Allows the reliable detection of Nitrate and Nitrite

• Shows different colors for the two ions

• Virage Nitrate: white to red (dip test paper into sample and afterwards into sulfuric acid 96%)

• Virage Nitrite: white to ye

• Wet-strengthened, general purpose, ashless filter paper with medium speed and medium retention

• Typical applications include gravimetric analysis for components, quantitative determinations of sediments and high purity clean up procedures

• Gradation (pH): 4.0 - 4.3 - 4.6 - 4.9 - 5.2 - 5.5 - 5.8 - 6.1 - 6.4 - 6.7 - 7.0

• Gradation: 0 - 2 - 5 - 10 - 25 - 50 - 100 mg/L Zn2+

• Color change: orange to red

• Equivalent to Whatman No. 4

• Fast filter paper with excellent retention of coarse particles and gelatinous precipitates

• This soft filter paper is used for example in routine clean up of biological or organic solutions

•

• MN 619 de

• Equivalent to Whatman Grade No. 5

• Very slow filtration, for extremely fine precipitates