Sodium thiosulphate solution, 5 l, ROTI®CUBE
Density (D) 1,1 g/cm³
Boiling point (bp) ~100 °C
WGK 1
€70.45/Pack Qty.
excl. VAT. | 5 l per Pack Qty.
Art. No. K022.3
- Subtotal: 0.00
| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| K022.1 | 1 l | plastic |
€23.55 |
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| K022.2 | 5 l | plastic |
€65.50 |
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| K022.3 | 5 l | ROTI®CUBE |
€70.45 |
|
|
| K022.4 | 10 l | ROTI®CUBE |
€108.05 |
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In stock
In procurement
No longer available
Delivery date currently unknown
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- Subtotal: 0.00
Downloads / MSDS
General information
Iodine Value Determination
The iodine value is a measure of the unsaturated fatty acids in glycerides. The more olefinic double bonds there are in the fat, the higher the iodine value.
Peroxide Value Determination
The peroxide value of a substance denotes how much peroxide it contains. In a mixture of glacial acetic acid and chloroform, the peroxide oxidises the iodide into elementary iodine. The resulting quantity of iodine is then back-titrated using a thiosulphate solution (where a starch solution is used as the indicator). The blank solution tested in parallel is used to calculate the results.
A volumetric standard solution is a solution containing a precisely known concentration of a substance. The concentration of a volumetric standard solution is determined using a primary standard, which is accurately weighed and dissolved to make a specific volume. Volumetric standard solutions are made using reagent-grade (p.a.) substances as source materials.
The advantages of this over making them yourself are:
- Manufactured and tested using modern manufacturing and analytical methods
- Ready-to-use solutions
- High accuracy for precise analyses
- Application of NIST-certified reference substances for checking
- Connection to standard titrators is possible
Certificates of Analysis
Type analysis
| Amount-of-substance conc. (20 °C) | 0,1 mol/l ±0,2 % |
| Titer | 0,998-1,002 |