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Methylene Blue Test Kit
The Methylene Blue Test Kit measures the Methylene Blue Value (MBV), indicating the presence of harmful fine materials like clay and organic substances in fine aggregates. The test involves mixing material passing through a No. 200 (75μm) sieve with distilled water on a magnetic stirring hot plate. Methylene blue solution is added incrementally until a blue ring appears on filter paper, signaling saturation.
Kit Contents:
- 25g methylene blue powder (for 500+ tests)
- 50x0.1mL amber glass burette with clamp and stand
- (2) 500mL amber solution storage bottles
- (3) 600mL glass beakers
- (2) glass stirring rods
- 1L volumetric flask
- 100 sheets of 24cm diameter filter paper
Features:
- Accurately detects clay and organic material in fine aggregates
- Reagent solution shelf life: 4–6 months (light-sensitive); powder form is stable
Standards Met:
- AASHTO T 330
- AASHTO T 137
Note: Methylene blue powder is light-sensitive and should be stored in foil-wrapped amber bottles in a dark cabinet.
