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4-碘联苯，98%+
n-Pentane for organic trace analysis UniSolv
SEALING CAP ASSEMBLY, NALGENE FOR 30 ML OAK RIDGE
(易制爆)硫，99.98% trace metals basis
高铼酸钾
2,3,4-Trifluorobenzaldehyde, 98% 1GR
Chromium(III) acetylacetonate, 97% 500GR
Petroleum ether, boiling range 40-60°C, water <50ppm, AcroSeal?, Extra Dry 100ML
4-Nitrobenzyl chloroformate, 95% 5GR
Toluene GR for analysis ACS,ISO,Reag. Ph Eur
