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Methylene Blue Value Set
The Methylene Blue Value (MBV) of fine aggregate is a measure of the amount of potentially harmful fi ne material present such as clay and organic material. Material passing the No.200 (75 mm) sieve is maintained in dispersion with distilled water by mixing with a magnetic stirrer. Methylene Blue solution is titrated into the stirred dispersion in increments until a drop of the mixture on fi lter paper shows a blue ring indicating that the sample can absorb no more reagent. The MBV is simply a measure of the amount of reagent absorbed, and is proportional to the amount of clay or organic material present.Methylene Blue Reagent solution is light sensitive. The solution shelf life is 4—6 months maximum, when stored in a dark cabinet in foil-wrapped amber bottles.
|
Item name |
Methylene Blue Value Test Set |
|
Model |
NSF-1 |
|
Maximum speed |
600r/min |
|
Minimum speed |
400r/min |
|
Impeller diameter |
75mm |
|
Impeller NO. |
4PCS |
|
Beaker capacity |
1000ML |
|
Voltage |
220V |
|
Power |
400W |
|
Weight |
6Kg |
|
Overall dimensions |
300x200x600mm |
Testing machine series
Shipping
1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;
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