Starky Na2S2O3 Medium 250g – Thiosulfate Liquid Culture Medium for Sulfur Oxidizing Bacteria

Starky Na₂S₂O₃ Medium is a liquid culture medium formulated for the cultivation of sulfur-oxidizing bacteria. The medium contains carefully balanced ingredients to ensure reliable microbial growth in laboratory research.

Composition (per liter):

• Ammonium sulfate: 0.3g

• Potassium dihydrogen phosphate: 3.5g

• Magnesium sulfate: 0.5g

• Calcium chloride dihydrate: 0.33g

• Ferrous sulfate heptahydrate: 0.018g

• Sodium thiosulfate: 10.0g

• Final pH: 6.0 ± 0.2 (25°C)

Product Information:

• Pack size: 250g/bottle

• Storage: Room temperature

• Shelf life: 3 years

Preparation Instructions:
Dissolve 14.65g of the medium in 1 liter of distilled or deionized water. Heat to boiling until completely dissolved. Dispense into suitable containers and sterilize at 121°C for 15 minutes. After sterilization, a small amount of insoluble residue may remain.