Description
Ricca Chemical Company Sodium Hydroxide-Thiosulfate, 50%-2.5% (w/v) Aqueous, for Ammonia Nitrogen, 4 L Plastic Bottle, R7495000-4A (8, UN1824, P.G. II)
Features:
- Appearance: colorless liquid
- CAS No:
- Water: 7732-18-5
- Sodium Hydroxide: 1310-73-2
- Sodium Thiosulfate, Pentahydrate: 10102-17-7
- pH: >13.0
- Boiling Point/Range: 100 °C
- Relative Density: 1.4
- Solubility: Miscible
- Shelf Life: 24 months
Recommended for the Following Tests:
| Reference | Method | Test | Reagent # | Reagent Name |
| EPA | Colorimetric; Titrimetric; Potent... | Nitrogen, Kjeldahl, Total | 7.4 | Sodium Hydroxide-Sodium Thiosulfate Solution |
| ASTM |
Manual Digestion / Distillation
|
Total Kjeldahl Nitrogen | 11.11 | Sodium Hydroxide-Sodium Thiosulfate Solution |
| APHA | Macro-Kjeldahl Method | Nitrogen (Organic) | 3b | Sodium Hydroxide-Sodium Thiosulfate Solution |
| APHA | Semi-Micro-Kjeldahl Method | Nitrogen (Organic) | 3 | Sodium Hydroxide-Sodium Thiosulfate Solution |
Specifications
| Capacity | 4 L / 1 gal |
|---|---|
| D.O.T. Number | UN1824, 8, PG II |
| Manufacturer | Ricca Chemical Company |
| Model No | 7495-1 |
SDS PDFs
It is our policy to provide the latest Safety Data Sheet (SDS) for all chemicals we ship. Each shipment will contain copies for every chemical contained in the shipment, and for any chemical included in an instrument kit or calibration kit.
Contact us for additional copies of an SDS or for a copy of the Certificate of Analysis:
Phone: 1-800-624-8285
Email: INFO_SDS@preiser.com

