Nessler's Reagent (King's) (For testsing serum urea nitrogen)
| QUANTITY |
PRICE |
ENQUIRY |
|
100 ml |
Rs
360.00
|
|
|
500 ml |
Rs
1120.00
|
|
- Formula: K₂HgI₄ in KOH solution
- CAS: 7783-33-7 (Potassium tetraiodomercurate(II))
- EC No.: Not specified
- M (Molar Mass): 786.40 g/mol (K₂HgI₄)
- D (Density): ~1.20 g/cm³ (solution)
- mp (Melting Point): Not applicable
- bp (Boiling Point): Not applicable
- Optical Rotation: Not applicable
- Composition: Alkaline solution of potassium tetraiodomercurate(II)
- Appearance: Clear, pale yellow to amber solution
- Sensitivity Test: Produces yellow to brown color/ppt with 0.005 mg N as NH₃
- Clarity: Clear, no precipitate
- Alkali Strength: ~2.5 N KOH
- Heavy Metals (other than Hg): Complies with test
- Ammonia Test: Should not produce color with ammonia-free water
- Hazard: Very toxic to aquatic life. Contains mercury. Causes severe skin burns and eye damage
- Safety: Use only in a fume hood. Wear protective gloves/protective clothing/eye protection/face protection
- Storage: Store in a cool place in a tightly closed, amber glass bottle. Protect from light and CO₂
