Acetic acid, 2.5 l, plastic
Molar mass (M) 60,05 g/mol
Density (D) 1,04 g/cm³
Boiling point (bp) 117,9 °C
Flash point (flp) 39 °C
Melting point (mp) 16,64 °C
ADR 8 II
CAS No. 64-19-7
excl. VAT. | 2.5 l per Pack Qty.
Art. No. 3738.5
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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.
Further attractive products to complete your chromatography laboratory can be found on our Chromatography page!
Barfoed’s test is used to distinguish monosaccharides from disaccharides, oligosaccharides and polysaccharides. Barfoed’s reagent is added to the sugar solution, which is then heated for a few minutes in a water bath. Monosaccharides turn a reddish colour, while disaccharides only react after they have been boiled for a longer period.
Carl ROTH provides suitable acids and bases for different requirements!
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Carl ROTH offers an extensive range of calibration and control standards. These products are manufactured from highly pure starting material and are specially tested for each application. The corresponding batch-specific certificate of analysis is available online. Each product series offers excellent value for money.
|Sulphate (SO4)||≤0.0002 %|
|Chloride (Cl)||≤0.0001 %|
|Calcium (Ca)||≤0.00001 %|
|Sodium (Na)||≤0.00005 %|
|Potassium (K)||≤0.00005 %|
|Mercury (Hg)||≤0.000001 %|
|Aluminium (Al)||≤0.000005 %|
|Cadmium (Cd)||≤0.000001 %|
|Copper (Cu)||≤0.000001 %|
|Iron (Fe)||≤0.00001 %|
|Lead (Pb)||≤0.000001 %|
|KMnO4 reducing substances||complies|
|Evaporation residue||≤0.003 %|
|Solidification point||≥16.35 °C|
|Note: Product may crystallise. It can be liquefied by heating in a water bath to max. 40 °C.|