complexometry: meaning, definition, pronunciation and examples
Very LowTechnical/Scientific
Quick answer
What does “complexometry” mean?
A method of volumetric chemical analysis in which the formation of a complex between the analyte and a titrant is used to determine the endpoint of a titration.
Audio
Pronunciation
Definition
Meaning and Definition
A method of volumetric chemical analysis in which the formation of a complex between the analyte and a titrant is used to determine the endpoint of a titration.
Complexometry specifically refers to a quantitative analytical technique used primarily in chemistry, involving the titration of metal ions in solution via a chelating agent (most commonly EDTA), which forms stable, soluble complexes. It is a cornerstone technique in analytical chemistry, water hardness testing, and industrial process monitoring.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences exist. Spelling conventions follow standard UK/US patterns for other parts of the word (e.g., 'titration' vs. 'titration' - same spelling).
Connotations
Identical technical connotations in both varieties.
Frequency
Extremely rare in both varieties, confined to specialised academic and laboratory contexts.
Grammar
How to Use “complexometry” in a Sentence
[Subject: technique/analysis] + employs/utilises + complexometry + [Preposition: for/in] + [Object: determination/analysis]Complexometry + [Verb: involves/is] + [Object: titration of...]Vocabulary
Collocations
Examples
Examples of “complexometry” in a Sentence
verb
British English
- The calcium content was complexometrically determined.
- They complexometrically titrated the sample.
American English
- The sample was analyzed by complexometric titration.
- We complexometrically measured the magnesium ions.
adverb
British English
- The metal ions were determined complexometrically.
- The procedure is performed complexometrically.
American English
- The concentration was measured complexometrically.
- We analysed the water complexometrically.
adjective
British English
- The complexometric endpoint was sharp and clear.
- A complexometric method was chosen for its selectivity.
American English
- The complexometric analysis provided precise results.
- EDTA is a common complexometric reagent.
Usage
Meaning in Context
Business
Virtually never used. Might appear in highly technical specifications for chemical or pharmaceutical manufacturing.
Academic
Core term in analytical chemistry textbooks, laboratory manuals, and research papers.
Everyday
Never used in everyday conversation.
Technical
Standard term in chemistry laboratories, environmental testing, pharmaceutical quality control, and metallurgy.
Vocabulary
Synonyms of “complexometry”
Neutral
Weak
Watch out
Common Mistakes When Using “complexometry”
- Misspelling as 'complexometry' (wrong 'e'), 'compleximetry', or 'complexometry'.
- Using it as a general synonym for 'complicated measurement'.
- Pronouncing the 'x' as /gz/ (like 'example'); it is /ks/.
FAQ
Frequently Asked Questions
Ethylenediaminetetraacetic acid (EDTA) is the quintessential complexometric titrant, forming stable 1:1 complexes with most metal ions.
Yes, derived kits and methods based on complexometry are used for field testing, such as determining water hardness in aquariums, swimming pools, and industrial water systems.
They offer high selectivity and sensitivity for metal ions in solution, often allowing for the determination of multiple ions in a mixture with the use of appropriate indicators and masking agents.
Not directly. The standard verb form is periphrastic, e.g., 'to perform a complexometric titration' or 'to titrate complexometrically'. The adjective 'complexometric' and adverb 'complexometrically' are derived forms.
A method of volumetric chemical analysis in which the formation of a complex between the analyte and a titrant is used to determine the endpoint of a titration.
Complexometry is usually technical/scientific in register.
Complexometry: in British English it is pronounced /ˌkɒm.plekˈsɒm.ɪ.tri/, and in American English it is pronounced /kəmˌplekˈsɑː.mə.tri/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'COMPLEX' (the chemical complex) + 'METRY' (measurement) = measuring by forming complexes.
Conceptual Metaphor
N/A - term is too technical for common conceptual metaphors.
Practice
Quiz
In which field is the term 'complexometry' primarily used?