Sigma-Aldrich
2-(Hydroxymethyl)anthraquinone
2-(羟甲基)蒽醌
2-Hydroxyethyl cellulose
2-羟乙基纤维素
Open-edged fritted disc for Aldrich?Buchner VerSAfunnelsTM
Pinch clamps for SJ joints
PTFE stirrer guides
PTFE syringe tubing
PTFE 注射器管
Quickfit?ground-glass stoppers
Quickfit?jacketed coil condenser
Quickfit?sintered bottle heads
Quickfit?Soxhlet extractor body
Quickfit?three-neck round-bottom flasks with vertical necks
Reaction and storage flask, Kjeldahl, with glass stopcock on side-arm
Real Crystal?IR sample cards
Real Crystal?红外样品卡片