EN 1622:1997
(Main)Water analysis - Determination of the threshold odour number (TON) and threshold flavour number (TFN)
Water analysis - Determination of the threshold odour number (TON) and threshold flavour number (TFN)
This European Standard specifies methods for determining the TON and TFN of waters. It is essential that the safety remarks in clause 5 are taken into account. Two methods are described: - a short method applicable when either a sample has no odour and flavour or when the odour and flavour are to be compared with a specified threshold number; - a full method applicable when the threshold number for the sample is to be determined.
Wasserbeschaffenheit - Bestimmung des Geruchsschwellenwerts (TON) und des Geschmacksschwellenwerts (TFN)
Diese Europäische Norm legt Verfahren zur Bestimmung von TON und TFN von Wässern fest. Es ist notwendig, die Warnhinweise in Abschnitt 5 zu berücksichtigen. Zwei Verfahren werden beschrieben: - Ein Kurzverfahren, das a angewendet wird entweder, wenn eine Probe weder Geruch noch Geschmack aufweist oder, wenn Geruch und Geschmack mit einem bestimmten Schwellenwert verglichen werden; - Ein vollständiges Verfahren, das angewendet wird, wenn der Schwellenwert der Probe zu ermitteln ist.
Analyse de l'eau - Détermination du seuil d'odeur (TON) et du seuil de flaveur (TFN)
La présente norme européenne prescrit des méthodes de détermination du TON et TFN des eaux. Il est essentiel que les remarques de sécurité de l'article 5 soient prises en compte. Deux méthodes sont décrites: - une méthode courte, applicable soit si l'échantillon n'a pas d'odeur ni de flaveur, soit si l'odeur et la flaveur doivent être comparées à un seuil spécifié; - une méthode complète, applicable lorsque le seuil pour l'échantillon doit être déterminé.
Kakovost vode - Določanje praga vonja in praga arome
General Information
- Status
- Withdrawn
- Publication Date
- 21-Oct-1997
- Withdrawal Date
- 08-Aug-2006
- Technical Committee
- CEN/TC 230 - Water analysis
- Drafting Committee
- CEN/TC 230 - Water analysis
- Current Stage
- 9960 - Withdrawal effective - Withdrawal
- Start Date
- 09-Aug-2006
- Completion Date
- 09-Aug-2006
Relations
- Effective Date
- 22-Dec-2008
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
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Frequently Asked Questions
EN 1622:1997 is a standard published by the European Committee for Standardization (CEN). Its full title is "Water analysis - Determination of the threshold odour number (TON) and threshold flavour number (TFN)". This standard covers: This European Standard specifies methods for determining the TON and TFN of waters. It is essential that the safety remarks in clause 5 are taken into account. Two methods are described: - a short method applicable when either a sample has no odour and flavour or when the odour and flavour are to be compared with a specified threshold number; - a full method applicable when the threshold number for the sample is to be determined.
This European Standard specifies methods for determining the TON and TFN of waters. It is essential that the safety remarks in clause 5 are taken into account. Two methods are described: - a short method applicable when either a sample has no odour and flavour or when the odour and flavour are to be compared with a specified threshold number; - a full method applicable when the threshold number for the sample is to be determined.
EN 1622:1997 is classified under the following ICS (International Classification for Standards) categories: 13.060.20 - Drinking water. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 1622:1997 has the following relationships with other standards: It is inter standard links to EN 1622:2006, EN 14395-1:2004, EN 14944-1:2006, EN 1420-1:1999. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 1622:1997 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Wasserbeschaffenheit - Bestimmung des Geruchsschwellenwerts (TON) und des Geschmacksschwellenwerts (TFN)Analyse de l'eau - Détermination du seuil d'odeur (TON) et du seuil de flaveur (TFN)Water analysis - Determination of the threshold odour number (TON) and threshold flavour number (TFN)13.060.60Preiskava fizikalnih lastnosti vodeExamination of physical properties of waterICS:Ta slovenski standard j
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