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Slot: 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 Alias: tan

Applicable Classes

Name Description Modifies Slot
HcrCoresInterface hcr_cores dh_interface no
HcrFluidsSwabsInterface hcr_fluids_swabs dh_interface no

Properties

  • Range: Float

  • Recommended: True

  • Regex pattern: ^[-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?( *- *[-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?)? *.*$

Comments

  • Value must be reported in mg/L. Provide the numeric portion only.

Identifier and Mapping Information

Annotations

property value
Preferred_unit milligram per liter
storage_units mg/L

Schema Source

Mappings

Mapping Type Mapped Value
self MIXS:0000120
native nmdc_sub_schema:tan

LinkML Source

name: tan
annotations:
  Preferred_unit:
    tag: Preferred_unit
    value: milligram per liter
  storage_units:
    tag: storage_units
    value: mg/L
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
comments:
- Value must be reported in mg/L. Provide the numeric portion only.
from_schema: https://example.com/nmdc_submission_schema
rank: 373
keywords:
- number
- total
slot_uri: MIXS:0000120
alias: tan
domain_of:
- HcrCoresInterface
- HcrFluidsSwabsInterface
slot_group: mixs_core_section
range: float
recommended: true
pattern: ^[-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?( *- *[-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?)?
  *.*$
structured_pattern:
  syntax: ^{scientific_float}( *- *{scientific_float})? *{text}$
  interpolated: true
  partial_match: true
unit:
  ucum_code: mg/L