In the given paragraph, composition of a bacteriological medium is given. Which type of culture medium is it for the growth of Thiobacillus thiooxidans?

Component            Amount            Function

NH₄Cl                     0.52 g              N source

KH₂PO₄                  0.28 g             P and K source

MgSO₄ 7H₂O          0.25 g             S and Mg²⁺ source

CaCl₂ 2H₂O            0.07 g             Ca++ source

Elemental Sulphur  1.56 g            Energy source

CO₂                          5%                 C source  

Water                     1000 ml

pH 3.0