Standard is 10 mg/mL stock
Stable for 2 weeks in poured agar at 4C; 75% after 4 weeks
15 mg/mL stock
0.275 g tetracycline in 25 mL EtOH
1 mL aliquots
freeze
1.2 mg/mL for QSB
2.8 mL 15 mg/mL stock in 32.2 mL EtOH1
48 0.7 mL aliquots
freeze
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Try 28 µL in 322 µL water to see if it dissolves. If so, then make aqueous solution, filter sterilize, and freeze. ↩︎
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