Is ammonium selenate dangerous?

Yes, it is toxic if ingested, inhaled, or absorbed through the skin in significant quantities. It must be handled with appropriate personal protective equipment (PPE) and in accordance with safety data sheets.

What is the difference between selenate and selenite?

Selenate (SeO₄²⁻) and selenite (SeO₃²⁻) are anions containing selenium in different oxidation states (+6 and +4, respectively). Their chemical behaviour, solubility, and bioavailability in biological systems differ significantly.

Can ammonium selenate be used in organic farming?

Typically, no. Synthetic mineral salts like ammonium selenate are generally not permitted in certified organic farming systems, which prefer selenium from natural soil amendments or approved slow-release sources.

How is ammonium selenate pronounced?

In British English: /əˈməʊniəm ˈsɛlɪneɪt/. In American English: /əˈmoʊniəm ˈsɛləˌneɪt/. The stress is on the 'mo' in 'ammonium' and the first syllable 'sel' in 'selenate'.

Is “ammonium selenate” formal?

Ammonium selenate is usually technical/scientific in register.

ammonium selenate: meaning, definition, pronunciation and examples

UK/əˈməʊniəm ˈsɛlɪneɪt/US/əˈmoʊniəm ˈsɛləˌneɪt/

Technical/Scientific

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Quick answer

What does “ammonium selenate” mean?

A chemical compound with the formula (NH₄)₂SeO₄, consisting of ammonium cations and selenate anions, commonly used as a source of selenium in fertilizers and some industrial processes.

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Pronunciation

Definition

Meaning and Definition

A chemical compound with the formula (NH₄)₂SeO₄, consisting of ammonium cations and selenate anions, commonly used as a source of selenium in fertilizers and some industrial processes.

In environmental science, it can refer to a water-soluble selenium compound that may be used in trace amounts in agriculture to address selenium deficiencies in soil, but which requires careful handling due to selenium's toxicity at higher concentrations.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences. Potential minor spelling preference for '-ise' vs '-ize' endings in derived words (e.g., 'selenisation' vs 'selenization') in surrounding text, but the compound name itself is invariant.

Connotations

Identical technical connotations in both dialects.

Frequency

Extremely low frequency in general language, occurring only in highly specialised contexts in both regions.

Grammar

How to Use “ammonium selenate” in a Sentence

[Subject] treated with ammonium selenate[Subject] contains ammonium selenate[Subject] is a source of ammonium selenate

Vocabulary

Collocations

strong

apply ammonium selenatesolution of ammonium selenateammonium selenate fertilisertoxic ammonium selenate

medium

synthesise ammonium selenatepurity of ammonium selenateammonium selenate concentration

weak

buy ammonium selenatehandle ammonium selenateresearch ammonium selenate

Examples

Examples of “ammonium selenate” in a Sentence

verb

British English

The soil was selenised using ammonium selenate.
Researchers are studying how to safely apply ammonium selenate.

American English

The soil was selenized using ammonium selenate.
The protocol involves chelating the ammonium selenate first.

adverb

British English

The reagent was added selenately, as ammonium selenate.
N/A

American English

The compound was applied selenately via ammonium selenate.
N/A

adjective

British English

The ammonium-selenate-treated plots showed improved yield.
An ammonium selenate solution was prepared.

American English

The ammonium-selenate-treated plots showed improved yield.
The ammonium selenate concentration was critical.

Usage

Meaning in Context

Business

Rare. Might appear in procurement lists for agricultural chemicals or in safety data sheets.

Academic

Primary context. Used in research papers on selenium chemistry, soil science, and toxicology.

Everyday

Virtually never used.

Technical

Standard term in chemical formulation, agricultural science, and industrial process descriptions.

Vocabulary

Synonyms of “ammonium selenate”

Strong

ammonium selenate(VI)

Neutral

diammonium selenate(NH₄)₂SeO₄

Weak

selenium saltammonium compound

Vocabulary

Antonyms of “ammonium selenate”

selenium deficiencyselenite compound (e.g., ammonium selenite)

Watch out

Common Mistakes When Using “ammonium selenate”

Mispronouncing 'selenate' as /ˈsiːləneɪt/ (like 'scene').
Confusing it with 'ammonium selenite' (a different oxidation state).
Omitting the second 'n' in 'ammonium'.
Incorrectly capitalising it as a proper noun.

FAQ

Frequently Asked Questions

: Yes, it is toxic if ingested, inhaled, or absorbed through the skin in significant quantities. It must be handled with appropriate personal protective equipment (PPE) and in accordance with safety data sheets.
: Selenate (SeO₄²⁻) and selenite (SeO₃²⁻) are anions containing selenium in different oxidation states (+6 and +4, respectively). Their chemical behaviour, solubility, and bioavailability in biological systems differ significantly.
: Typically, no. Synthetic mineral salts like ammonium selenate are generally not permitted in certified organic farming systems, which prefer selenium from natural soil amendments or approved slow-release sources.
: In British English: /əˈməʊniəm ˈsɛlɪneɪt/. In American English: /əˈmoʊniəm ˈsɛləˌneɪt/. The stress is on the 'mo' in 'ammonium' and the first syllable 'sel' in 'selenate'.
: A chemical compound with the formula (NH₄)₂SeO₄, consisting of ammonium cations and selenate anions, commonly used as a source of selenium in fertilizers and some industrial processes.
: Ammonium selenate is usually technical/scientific in register.

Learning

Memory Aids

Mnemonic

Think: 'AMMonium SELenATE' – AMMonia's relative provides SELenium to plants, but be careful, it can be a poisonous mATE.

Conceptual Metaphor

N/A for this technical term.

Practice

Quiz

Fill in the gap

For the experiment, a 0.1% solution was used as the selenium source.

Multiple Choice

Ammonium selenate is primarily used in which field?