Macherey-Nagel Potassium Iodide Starch Paper MN 816 N - 5 Meter Roll
Macherey-Nagel Potassium Iodide Starch Paper MN 816 N - 5 Meter Roll
Product details
Macherey-Nagel potassium iodide starch paper is a specialized filter paper impregnated with potassium iodide and starch for chemical testing. When nitrite or free chlorine is present, the paper changes colour from white to blue-violet, making it ideal for laboratory and analytical applications.
Key Features
- Detects nitrite and free chlorine through colour change reaction
- Standard grade (MN 816 N) with balanced absorption properties
- Sensitivity limit of 1 mg/l for both nitrite and free chlorine
- Supplied as a 5-metre roll for multiple tests
- Can be used by dipping or as a spot test with solution drops
- Recommended for end-point detection during diazotations
How to Use
Dip the paper into the solution to be tested, or apply drops of the solution directly to the paper. A colour change from white to blue-violet indicates the presence of nitrite or free chlorine.
Who Is It For
This product is designed for laboratory technicians, chemists and analytical professionals who need to detect nitrite and free chlorine in solutions during chemical testing and quality control procedures.
Product Details
| Brand | Macherey-Nagel |
|---|---|
| Form | Paper |
| Size | 5 Meter Roll |
Frequently asked questions
What colour change indicates a positive result?
The paper changes from white to blue-violet when nitrite or free chlorine is detected.
What is the sensitivity limit of this paper?
The limit of sensitivity is 1 mg/l for nitrite and 1 mg/l for free chlorine.
How should I apply the solution to the paper?
You can either dip the paper into the solution or apply drops of the solution directly onto the paper surface.
What is this paper used for?
It is recommended for end-point detection during diazotations and general testing for organic substances.