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Term: total acid number (tan)

Total Acid Number (TAN) is a measurement of acidity that is determined by the amount of potassium hydroxide in milligrams that is needed to neutralize the acids in one gram of oil. It is an important quality measurement of crude oil. (source: https://en.wikipedia.org/wiki/Total_acid_number)

URI: MIXS:0000120

Applicable Checklists and Extensions

NOTE: does not include Combinations (of checklists and extensions) that use tan.

Name Description Checklist/Extension
HydrocarbonResourcesCores A collection of terms appropriate when collecting samples and sequencing samp... Extension
HydrocarbonResourcesFluidsSwabs A collection of terms appropriate when collecting samples and sequencing samp... Extension

Properties

  • Range: String

  • Cardinality: 0..1 recommended

  • Structured pattern: ^{scientific_float}( *- *{scientific_float})? *{text}$

  • Regex pattern: ^[-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?( *- *[-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?)? *([^\s-]{1,2}|[^\s-]+.+[^\s-]+)$

Annotations

  • Preferred_unit: milligram per liter

LinkML Source

name: tan
annotations:
  Preferred_unit:
    tag: Preferred_unit
    value: milligram per liter
description: 'Total Acid Number  (TAN) is a measurement of acidity that is determined
  by the amount of  potassium hydroxide  in milligrams that is needed to neutralize
  the acids in one gram of oil.  It is an important quality measurement of  crude
  oil. (source: https://en.wikipedia.org/wiki/Total_acid_number)'
title: total acid number
from_schema: https://w3id.org/mixs
keywords:
- number
- total
slot_uri: MIXS:0000120
alias: tan
domain_of:
- HydrocarbonResourcesCores
- HydrocarbonResourcesFluidsSwabs
range: string
recommended: true
pattern: ^[-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?( *- *[-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?)?
  *([^\s-]{1,2}|[^\s-]+.+[^\s-]+)$
structured_pattern:
  syntax: ^{scientific_float}( *- *{scientific_float})? *{text}$
  interpolated: true
  partial_match: true