{"data":{"id":"us/21-cfr-610.16","jurisdiction":"us","citation":"21 CFR 610.16","heading":"Total solids in serums.","body":"Except as otherwise provided by regulation, no liquid serum or antitoxin shall contain more than 20 percent total solids.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER F—BIOLOGICS","PART 610—GENERAL BIOLOGICAL PRODUCTS STANDARDS","Subpart B—General Provisions"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"b1d9d4692afe74f816404625a2ae91e556bfe028fd0c1fd002ae755a09b5e5d9","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-610.15","next":"us/21-cfr-610.17"},"notice":"GroundRules: Original legal text. Not legal advice."}