Macherey-Nagel
Chromium test paper (Box of 200 strips, 20 x 70mm)
• Cr(III) ions must be converted to chromate prior to the detection
• For non-destructive testing of materials, apply a drop of acid solution (1 part hydrochloric acid 37 % +
Filter paper circles, MN 1640 w, 90mm (Pack of 100 filters)
• Recommended for analytical procedures involving coarse particles or gelatinous precipitates
• The smooth surface allows fiber-free filtration, even for highly acidic and basic media
pH test strips, PEHANON 7.2 to 8.8 (Box of 200 test strips)
• Any sample color has the same effect on both, the reference colors and the reactive pad, allowing unadulterated pH reading even in colored solutions
• Gradation (pH): 7.2
QUANTOFIX Peroxide 25 (Tube of 100 test strips)
• Color change: white to blue
Filter paper circles, No. 4 (MN 617), 110mm (Pack of 100 filters)
• 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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