Macherey-Nagel

• 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): 1 - 2 - 3 - 5 - 6 - 7 - 8 - 9 - 10 - 12 - 14

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

• Color change: white to salmon

• 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

•

• CE Certified

• Approved for pH determination in urine, For self-testing

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

• Gradation (pH): 4.5 - 5.0 - 5.5 - 6.0 - 6.5 -

• Equivalent to Advantec Filter Paper No. 5C

• Equivalent to Whatman Filter Paper No. 42

• Ashless, slow filter paper with very fine particle retention

• Standard paper for critical gravimetric analysis of fine precipitates

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

• Gradation (pH): 1.7 - 2.0 - 2.3 - 2.6 - 2.9 - 3.2 - 3.5 - 3.8

• Length: 85 mm

• Width: 6 mm

• For use in Food processing industry and Aquaculture

• For the rapid and reliable determination of alkalinity or carbonate hardness in water

• The easy dip-and-read-procedure provides a reliable result within 30 seconds

• C

• Wet-strengthened, ashless, very slow filter paper for the filtration of finest particles in quantitative range

• The smooth surface allows fiber-free filtration, even for highly acidic and basic media

• Surface: Smooth

• B

• 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

• Best-known indicator paper

• Violet indicator paper which changes to red under acid conditions and to blue under alkaline conditions

• Length: 70 mm

• Width: 10 mm

• Filter paper with medium retention and flow rate

• This filter paper covers a wide range of filtration applications

• Surface: Smooth

• Basis weight: 85 g/m2

• Thickness: 0.2 mm

• Filtration speed: 27 s <

• Used for the rapid detection of iron ions (Fe2+ and Fe3+)

• In contrast to Dipyridylpaper, it reacts with Fe(II) as well as Fe(III) ions

• For specific detection of Fe(II), please use Dipyridylpaper (REF 90725)

• Color rea

• 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): 1 - 2 - 3 - 5 - 6 - 7 - 8 - 9 - 10 - 12 - 14

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

• Color change: white to dark blue

• 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

•

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

• Gradation (pH): 7.0 - 7.5 - 8.0 - 8.5 - 9.0 - 9.5 - 10.0 - 10.5 - 11.0 - 11.5 - 12.0 - 12.5 - 13.0 - 13.5 - 14.0

• Length: 85 mm <

• Equivalent to Advantec Filter Paper No. 5C

• Equivalent to Whatman Filter Paper No. 42

• Ashless, slow filter paper with very fine particle retention

• Standard paper for critical gravimetric analysis of fine precipitates

• CE Certified

• Approved for pH determination in saliva, for professional use only

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

• Gradation (pH): 3.1 - 3.5 - 3.9 - 4.