An operation uses an iodine sanitizer in its third sink. Which set of conditions does the Food Code require?
a.At least 55°F, with a pH of 7.0 or less
b.At least 68°F, with a pH of 5.0 or less
c.At least 75°F, with a pH of 8.0 or less
d.At least 100°F, with a pH of 10.0 or less
Giải thích
An iodine solution needs a minimum temperature of 68°F, a pH of 5.0 or less, and a concentration between 12.5 and 25 mg/L. The 75°F and 100°F figures belong to quaternary ammonium and chlorine, and iodine loses effectiveness as the solution grows less acidic.
Trích dẫn luật: FDA Food Code §4-501.114Luyện miễn phí toàn bộ 500 câu hỏi — không cần đăng ký.
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Câu hỏi liên quan cùng chủ đề
- A three-compartment sink runs a 50 mg/L chlorine solution at 100°F with a pH of 10 or less. What is the minimum contact time?
- A dishwasher mixes a weaker chlorine solution in the 25 to 49 mg/L range. What minimum water temperature does the Food Code set for it?
- A kitchen with very hard well water sets up a quaternary ammonium sanitizer. What limit does the Food Code place on the water?
- The Supplement to the 2022 Food Code added a requirement about how a sanitizer test kit is used. What does it say?
- The Supplement to the 2022 Food Code defines disinfection separately from sanitizing. What does disinfection do?
- A small operation runs a stationary rack, single temperature dish machine. What minimum sanitizing rinse temperature applies as the water enters the manifold?
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