The transaction number is used in online banking as the secondary means of identification after the PIN. While the PIN (almost) always stays the same, and therefore can be reused, the TAN is only valid for one financial transaction. You have to use a new TAN for each online banking transaction.
Transaction number A secret number used in home banking which is forwarded with every transaction (for example the transfer of funds). A TAN can be used for one transaction only.
Acids are formed when a fluid comes in contact with oxygen, TAN levels are a means to show the extent of which a fluid has been oxidized. New fluids typically have a TAN less than 0.05, most fluids should be changed at and have a condemning limit of a TAN of 1.0. The rate of oxidation is minimal under 200F however as the temperature climbs the effects of oxidation are exponential. It is an industry accepted standard to assume the rate of oxidation doubles for each 15 degree increase above 200F.
total acid number, indicative of acid formation due to detergent being “spent
Total Acid Number, see Acid Number.
Total Acid Number. The quantity of base, expressed in milligrams, that are required to neutralize all acidic constituents present in one gram of sample.
Total Acid Number. A laboratory test that measures the naphthenic acid content of crude oil.
Travel Authorization Number
Transaction number: These numbers are used in the case of online-transactions as for example for authorisation in home banking. Each home banking user will get a list with transaction numbers from his bank, which he has to use to confirm his online banking transactions. These lists should always be kept separately from the additional home banking data of the user. No entries listed for this term. No entries listed for this term.
Transaction Number. Valid for only one transaction, which means that it can be used only once. Normally, the user receives several TANs printed on a slip of paper (as four-digit numbers, for example), and these must be used exactly in the prescribed order for a set of individual transactions or a series of sessions.