Silver nitrate, 50 g
Molar mass (M) 169,88 g/mol
Density (D) 4,35 g/cm³
Boiling point (bp) 440 °C
Melting point (mp) 210 °C
ADR 5.1 II
CAS No. [7761-88-8]
excl. VAT. | 50 g per Pack Qty.
Art. No. 7908.1
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Indicators and Dyes
Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.
Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.
Definition:p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation
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
Tollens’ test or silver-mirror test:
Some ammoniacal silver nitrate solution is added to an aqueous test solution, which is then heated for several minutes. If reducing substances are present, elemental silver deposits on the glass wall, resulting in the mirror effect.
|Sulphate (SO4)||≤0,002 %|
|Lead (Pb)||≤0,0001 %|
|Cadmium (Cd)||≤0,0001 %|
|Calcium (Ca)||≤0,0005 %|
|Iron (Fe)||≤0,0001 %|
|Potassium (K)||≤0,0005 %|
|Copper (Cu)||≤0,0001 %|
|Sodium (Na)||≤0,0005 %|