SIM Sulfur Test Flashcards by Mawamu 80

Q

What chemical does this test detect?

A

Sulfur

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Q

What enzyme(s) is/are involved in this test?

A

Cysteine desulfurase or Thiosulfate reductase

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Q

What substrate(s) is/are involved in this test?

A

Cysteine or sodium thiosulfate

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Q

What is the indicator/reagent used in this test?

A

Iron

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Q

What is the appearance of a positive result?

A

Black precipitate forms (Ferrous sulfide)

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Q

What is the appearance of a negative result?

A

No change in media

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