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Descriptor in English: Lye
Descriptor in Spanish: Lejía
Descriptor in Portuguese: Lixívia
Descriptor in French: Lessive de soude
Tree number(s): D01.045.250.400
D01.248.497.158.459.344
Scope note: Generally speaking, it is the alkaline substance obtained from wood ashes by percolation. Preparations of lye can be solutions of either potassium or sodium hydroxide. The term lye, is also used to refer to the household product which is a mixture of sodium hydroxide and sodium carbonate.
Annotation: a caustic
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AG agonists
AI antagonists & inhibitors
AN analysis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
EC economics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
Online Note: search CAUSTICS 1966-74
History Note: 91(75); was see under CAUSTICS 1975-90
DeCS UI: 8368
Descriptor UI: D008191
Date Established: 1991/01/01
Date of Entry: 1999/01/01
Revision Date: 2015/06/23
Lye - Preferred
Concept UI M0012770
Scope note Generally speaking, it is the alkaline substance obtained from wood ashes by percolation. Preparations of lye can be solutions of either potassium or sodium hydroxide. The term lye, is also used to refer to the household product which is a mixture of sodium hydroxide and sodium carbonate.
Preferred term Lye



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