Hydrochloric acid, 5 l, plastic
Molar mass (M) 36,46 g/mol
Density (D) 1,007 g/cm³
Boiling point (bp) 100 °C
Melting point (mp) 0 °C
ADR 8 III
CAS No. [7647-01-0]
excl. VAT. | 5 l per Pack Qty.
Art. No. P708.2
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Carl ROTH also offers reagents suitable for food analysis.
On the following pages, you will find the determination of
• Nitrogen according to Kjeldahl
and the determination of the
• Iodine value
• Acid value
• Peroxide value
• Saponification value
as well as other determining factors such as
• Hydroxyl value
• Fluoride ions
The saponification value denotes the amount of potassium hydroxide required to neutralise free fatty acids and saponify bound fatty acids. The lower the average molar mass of the fat, the higher the saponification value. The sample is heated under reflux in a defined quantity of ethanolic potassium hydroxide solution and the non-used alkaline solution is titrated with hydrochloric acid.
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
|Amount-of-substance conc. (20 °C)||0,5 mol/l ±0,2 %|
|Titer||0,998 - 1,002|