Determination of uranium–oxygen ratio of products.

No.	Mass of the sample/mg	Measured concentration of uranium/ppm	Mass of uranium in the sample/mg	Uranium–oxygen ratio
2	22.38	4.8755	19.50	0.46 ≈ 1 : 2
5	20.01	4.4464	17.79	0.54 ≈ 1 : 2
8	20.69	4.5441	18.18	0.49 ≈ 1 : 2
9	20.85	4.6974	18.79	0.61 ≈ 1 : 2
11	20.14	4.4071	17.63	0.47 ≈ 1 : 2
12	20.65	4.5109	18.04	0.46 ≈ 1 : 2