The phrase "a certain batch of" is correct and usable in written English.
It can be used when referring to a specific, but not precisely defined, group or quantity of items or substances.
Example: "We need to test a certain batch of cookies to ensure they meet our quality standards."
Alternatives: "a specific group of" or "a particular set of".
So if you notice a certain batch of photos is missing from your profile, wait a few hours.
"If you pick up a certain batch of symptoms in a certain area of conflict, you could diagnose or predict an outbreak of a food-borne illness or a chemical attack," he said.
In its latest quarterly securities filing, Bank of America said a certain batch of credit derivatives was showing a paper loss of $493 million at the end of March.
"You look at a certain batch of games and think how many points can we pick out of that but it doesn't always work like that.
Many of the first affected case farms included in this study were early adaptors to the use of wrapped forage, and on some farms only horses fed a certain batch of wrapped forage become affected with AEP [ 4].
He stated, that this hypertensive reaction may be classified as 'slight', that increases of aBP after infusion of human albumin would be well known, and that detecting such an effect only after a certain batch of HSA 5, might be ascribed to the variability in reactions to biological products.
If they've identified the test escapes, can they be pinned down to a certain batch?
A Nebraska company is recalling certain batches of Marie Callender's fish dinners because they contain eggs not listed on the box, posing a serious, possibly life-threatening risk to people allergic to eggs.
Food and Drug officials said Wednesday that a possibly counterfeit ingredient had been found in certain batches of heparin linked to at least 19 deaths in the United States and more than 700 severe allergic reactions.
While it's true that ecstasy manufacturers frequently use similar or identical stamps to brand wildly different products, reviews of certain batches of the drug doing the rounds in a given place at a certain time can help to identify potentially dodgy pills.
The maker of Norplant, a birth-control implant, said last week that it could not guarantee that certain batches of the implants were effective, and the company announced that it would reimburse women who had questionable implants for the cost of backup birth control.
