研究者真正会用、信任，也会避开的化学品反馈。
围绕科研化学品，对比品牌、货号、规格与真实实验反馈。
Tungsten(VI) oxide
Trace metals basis, 99.9%
⭐ 0.0 (0)
Trace metals basis, ≥99%
99%
Sulfur
>99.0%
Trace metals basis, 99.98%
Sodium chloride
>99.5%
ACS reagent, ≥99.0%
≥99.999%
Molybdenum(VI) oxide
>99.7%
ACS reagent, ≥99.5%
99.5%
≥99.5%, ACS reagent, 200 proof
95%
for Spectrophotometry, >99.5%(GC)
A4206
ACS reagent
