The phrase "amount necessary for" is correct and usable in written English.
It can be used when discussing the quantity or extent of something required for a specific purpose or outcome.
Example: "The amount necessary for the project has been calculated and approved by the board."
Alternatives: "required amount for" or "needed quantity for".
Why should he or she receive a windfall beyond the modest amount necessary for compensation for the hurt caused?
Should force be required it should be the minimal amount necessary for self-defense or to insure an arrest.
The results indicate that concentration of the fluid was over the amount necessary for the evaporative surface area of the grooved wick.
This approach shifts the focus of attention to the analysis of CGBS bands formation conditions and to the evaluation of their amount necessary for superplastic flow.
While courts typically have not specified a percentage of the market that creates the presumption of "market power," no court has ever found that the requisite degree of power exceeds the amount necessary for a finding of monopoly power.
The charge or tax, it was averred, was more than double the amount necessary for the inspection proposed, and would realize annually a surplus for the state treasury of more than $20,000.
The amount requested for a fiscal year for any program element specified for that fiscal year pursuant to subsection (a) shall include requests for the amounts necessary for the management and support of the programs, projects, and activities contained in that program element.
With the approval of the President, the Secretary of the Treasury may borrow on the credit of the United States Government amounts necessary for expenditures authorized by law and may issue notes of the Government for the amounts borrowed and may buy, redeem, and make refunds under section 3111 of this title.
(5) In the case of an individual enrolled in a program of study leading to a dual degree described in § 17.627(a)(1), such tuition and fees will not exceed the amounts necessary for the minimum number of credit hours to achieve such dual degree.
Although, its availability and acquisition may limit its application in the field, the small amounts necessary for the colorimetric assay may be less problematic.
