Sodium sulfite standard solution for sulfur dioxide detection
100μg/mL, matrix: formaldehyde absorption liquid
- Product Code: 232721
Alias:
Standard solution of sulfur dioxide; standard substances for sodium sulfite solution for sulfur dioxide detection
CAS:
7757-83-7
| Molecular Weight: | 126.04 g./mol | Molecular Formula: | Na₂SO₃ |
|---|---|---|---|
| EC Number: | 231-821-4 | MDL Number: | MFCD00003503 |
| Melting Point: | Boiling Point: | -20 °C(甲醛) | |
| Density: | Storage Condition: | 2-8°C, avoiding light |
Product Description:
Used as a titrant in iodometric methods for the determination of sulfur dioxide in food, beverages, and environmental samples. Provides a stable and precise source of sulfite ions for calibration and standardization in analytical procedures. Commonly applied in quality control laboratories to ensure accurate measurement of SO₂ levels, especially in wine, dried fruits, and water samples where sulfur dioxide acts as a preservative. Its standardized concentration allows for reliable quantification through redox titration, ensuring compliance with regulatory limits.
Sizes / Availability / Pricing:
| Size | Availability | Price | Quantity |
|---|---|---|---|
| 20ml | 10-20 days | ฿660.00 |
+
-
|
| 100ml | 10-20 days | ฿2,200.00 |
+
-
|
Sodium sulfite standard solution for sulfur dioxide detection
Used as a titrant in iodometric methods for the determination of sulfur dioxide in food, beverages, and environmental samples. Provides a stable and precise source of sulfite ions for calibration and standardization in analytical procedures. Commonly applied in quality control laboratories to ensure accurate measurement of SO₂ levels, especially in wine, dried fruits, and water samples where sulfur dioxide acts as a preservative. Its standardized concentration allows for reliable quantification through redox titration, ensuring compliance with regulatory limits.
| Mechanism | - |
| Appearance | - |
| Longevity | - |
| Strength | - |
| Storage | - |
| Shelf Life | - |
| Allergen(s) | - |
| Dosage (Range) | - |
| Recommended Dosage | - |
| Dosage (Per Day) | - |
| Recommended Dosage (Per Day) | - |
| Mix Method | - |
| Heat Resistance | - |
| Stable in pH range | - |
| Solubility | - |
| Product Types | - |
| INCI | - |
Purchase History for
Loading purchase history...
Cart
No products
Subtotal:
฿0.00
฿0.00
Total :