The phrase "as a certain amount" is correct and usable in written English.
It can be used when referring to an unspecified quantity or degree of something in a general context.
Example: "The project requires resources as a certain amount of funding is necessary to proceed."
Alternatives: "as a specific quantity" or "as a particular sum".
These can be characterized by the orientation relationships mentioned above as long as a certain amount of tolerance is allowed.
A certain amount of gushing is mandatory at this level of world-class entertainment, as well as a certain amount of cattiness.
In the early '60s, as a certain amount of sentimental and half-baked mysticism began to be spouted by some of the younger Glasses, the critics quickly turned on Mr. Salinger, and "Hapworth" was grumpily dismissed.
His voice was a gift, he has said, that brought him enormous joy, as well as a certain amount of loneliness and, eventually, foreboding -- because it was a gift that in time puberty would take away from him.
On the podium, his manner often suggested the clown with a personal array of tics and grimaces as well as a certain amount of lackadaisical shoulder-shrugging, but his stick technique was clear and disciplined.
Both reader and writer (viewer and director) know how the story ends, which guarantees intensity as well as a certain amount of worry about seeming to follow a script written by terrorists.
Generally, we expect that such data show a negative correlation between sensitivity and specificity because of explicit or implicit variations in test-thresholds [ 1, 7], as well as contain a certain amount of heterogeneity [ 14].
As expected, a certain amount of "furious sexist backlash" greeted Whittaker's casting, as some uneasy fans balked at the prospect of a long-running male hero suddenly becoming a female one.
The Fair Labor Standards Act lets an employer pay waiters below minimum wage as long as they earn a certain amount a month in tips.
Concrete specimens were prepared with Portland limestone cement as well as by replacing a certain amount of limestone cement with natural pozzolana, fly ash, blastfurnace slag or metakaolin.
It wouldn't be my first choice anyway, if it was like a little room or a doctor's own room then you got more privacy really.' 'Well, as long as there was a certain amount of privacy involved, yes.
