Research Article
Pollution Abatement of Heavy Metals in Different Conditions by Water Kefir Grains as a Protective Tool against Toxicity
Figure 5
Cr concentration as a function of time in citrate buffer (5·10−3 M) and acetate buffer (5·10−3 M) for Colonies 1 and 2. Conditions: 5% sucrose, initial pH = 4.5, and 1 : 10 Water Kefir/metal solution ratio. .