BS ISO 15152:2003+A2:2018
$102.76
Determination of the content of total alkaloids as nicotine. Continuous-flow analysis method
| Published By | Publication Date | Number of Pages |
| BSI | 2018 | 20 |
This International Standard specifies a method for the determination of the content of total alkaloids as nicotine in tobacco by continuous-flow analysis.
This method is applicable to manufactured and unmanufactured tobacco.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Principle 4 Safety precautions |
| 11 | 5 Reagents |
| 12 | 5.1 Polyoxyethylene lauryl ether (Brij 35 solution). 5.2 Buffer solution A 5.3 Buffer solution B 5.4 Chloramine T solution [CH3C6H4SO2N(Na)CI·3H2O], (N-chloro-4-methyl benzenesulfonamide sodium salt). 5.5 Cyanide neutralizing solution A 5.6 Cyanide neutralizing solution B 5.7 Alternative neutralizing solution C 5.8 Potassium cyanide solution (KCN) 5.9 Nicotine hydrogen tartrate [C10H14N2(C4H6O6)2·2H2O]. |
| 13 | 5.10 Standard nicotine solutions 5.10.1 Stock solution 5.10.2 Working standards 6 Apparatus 6.1 Continuous flow analyser, consisting of 6.2 Coil for cyanogen chloride generation 7 Procedure 7.1 Preparation of samples for analysis 7.2 Test portion |
| 14 | 7.3 Preparation of test extract 8 Calculation 9 Repeatability and reproducibility |
| 15 | 10 Test report |
| 16 | Annex A (informative) Information about alternative analytical methods |
| 17 | Annex B (informative) Example of a continuous-flow analyser |
| 18 | Annex C (informative) Preparation of a microbore five-turn mixing coil |
| 19 | Bibliography |
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