This material uses light very efficiently — for every photon of UV light it gets, it breaks down a small but measurable number of benzene molecules per gram of material.
Scientific Claim
The ZST photocatalyst produces a mass-normalized apparent quantum yield of 6.08 × 10⁻⁴ molecule photon⁻¹ g⁻¹ during the photocatalytic oxidation of gaseous benzene under UV light, indicating efficient photon utilization.
Original Statement
“It achieves a clean air delivery rate of 1.71 L min⁻¹ with a 10 % removal efficiency rate of 21.9 µmol g⁻¹ h⁻¹ and a mass-normalized apparent quantum yield of 6.08 × 10⁻⁴ molecule photon⁻¹ g⁻¹.”
Evidence Quality Assessment
Claim Status
appropriately stated
Study Design Support
Design cannot support claim
Appropriate Language Strength
definitive
Can make definitive causal claims
Assessment Explanation
The value is explicitly stated as a measured outcome. No causal or generalizable claim is made, so the definitive verb is appropriate within the context of reporting experimental data.
Evidence from Studies
Supporting (1)
The study found that this special catalyst uses light really well to break down benzene gas, and it measured exactly the same efficiency number as the claim says — so the claim is correct.