fig, ax = plt.subplots() 
ax.scatter(x, y)
ax.set_title("My First Diagram")
ax.set_xlabel("Zr [ppm]")
ax.set_ylabel("Th [ppm]")


fig, ax = plt.subplots() 
ax.scatter(x, y)
ax.set_title("My First Diagram")
ax.set_xlabel("Zr [ppm]")
ax.set_ylabel("Th [ppm]")

