dibasic potassium phosphate: meaning, definition, pronunciation and examples
C2 (Very Low Frequency - Technical/Scientific)Technical/Scientific (Chemistry, Biology, Food Science, Agriculture)
Quick answer
What does “dibasic potassium phosphate” mean?
A specific chemical compound (K₂HPO₄) used as a buffering agent, food additive, and fertilizer.
Audio
Pronunciation
Definition
Meaning and Definition
A specific chemical compound (K₂HPO₄) used as a buffering agent, food additive, and fertilizer.
In chemistry, a salt where two potassium atoms replace the acidic hydrogens in phosphoric acid; also refers to its role in biological systems as a pH regulator.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Spelling of 'potassium' is identical. Potential minor pronunciation variance.
Connotations
Purely technical/scientific in both regions.
Frequency
Extremely low frequency in general discourse, confined to specific professional/educational contexts in both varieties.
Grammar
How to Use “dibasic potassium phosphate” in a Sentence
[Compound] is added to [solution/substance][Compound] acts as a [buffer/fertilizer/source][Compound] has a pH of [value]Vocabulary
Collocations
Examples
Examples of “dibasic potassium phosphate” in a Sentence
verb
British English
- The solution was dibasically buffered with potassium phosphate.
American English
- The protocol instructs to dibasically phosphate the mixture.
adverb
British English
- The salt was added dibasically to control pH.
American English
- Phosphate was introduced dibasically into the medium.
adjective
British English
- The dibasic potassium phosphate solution was prepared fresh.
American English
- Use the dibasic potassium phosphate reagent for this step.
Usage
Meaning in Context
Business
In specifications for food additives, pharmaceutical excipients, or fertilizer blends.
Academic
In chemistry, biochemistry, and food science papers discussing buffer preparation, nutrient solutions, or crystallization conditions.
Everyday
Virtually never used.
Technical
Precise term in laboratory protocols, industrial formulations, and regulatory documents (e.g., 'E340(ii)' as a food additive code in the EU).
Vocabulary
Synonyms of “dibasic potassium phosphate”
Strong
Neutral
Weak
Vocabulary
Antonyms of “dibasic potassium phosphate”
Watch out
Common Mistakes When Using “dibasic potassium phosphate”
- Misspelling as 'dybasic' or 'diebasic'.
- Confusing it with monobasic potassium phosphate (KH₂PO₄), which has different buffering properties.
- Omitting 'dibasic' and using the ambiguous 'potassium phosphate'.
- Incorrect pluralization ('dibasic potassium phosphates').
FAQ
Frequently Asked Questions
Yes, in regulated quantities. It is approved as a food additive (E340(ii)) for use as an acidity regulator, stabilizer, and emulsifying salt in various products.
Monobasic potassium phosphate (KH₂PO₄) has one potassium ion and is more acidic. Dibasic potassium phosphate (K₂HPO₄) has two potassium ions and is more basic. They are often used together to create phosphate buffers.
Yes, it can be used as a water-soluble source of phosphorus and potassium in fertilisers, particularly for plants requiring a neutral to slightly alkaline pH environment.
In chemistry, 'basic' refers to its capacity to neutralize acids. 'Di-' means two, indicating that two of the three acidic hydrogens in phosphoric acid (H₃PO₄) have been replaced by potassium ions, leaving one replaceable hydrogen.
A specific chemical compound (K₂HPO₄) used as a buffering agent, food additive, and fertilizer.
Dibasic potassium phosphate is usually technical/scientific (chemistry, biology, food science, agriculture) in register.
Dibasic potassium phosphate: in British English it is pronounced /daɪˌbeɪ.sɪk pəˈtæs.i.əm ˈfɒs.feɪt/, and in American English it is pronounced /daɪˌbeɪ.sɪk pəˈtæs.i.əm ˈfɑːs.feɪt/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Think: 'Di-' means two, so TWO potassium atoms are attached to the 'basic' form of phosphate (HPO₄).
Conceptual Metaphor
N/A (Literal, technical compound).
Practice
Quiz
What is the primary role of dibasic potassium phosphate in a biochemical context?