Image
from article Ultracentrifuge
Diagram of an electrically driven analytical ultracentrifuge. (Beckman Instruments)
Search Results
Search Results
Refine this search
Search result paging links
1,453 results
Image
from article Ultracentrifuge
Analytical rotor. (Beckman Instruments)
Image
from article Ultracentrifuge
Fixed-angle preparative rotor and tubes. (Beckman Instruments)
Image
from article Triple point
Phase diagram for water, showing gas, liquid, and several solid (ice) phases; triple points at A, B, and C. The pressure scale changes at 101 kilopascals from logarithmic scale at low pressure to linear at high pressure.
Image
from article Macrocyclic compound
Macrocyclic structures. (a) Two crown ethers. (b) A basic structure for three cryptands. (c) A lariat ether. (d) All-aliphatic spherand. (e) All-aromatic spherand.
Image
from article Macrocyclic compound
Macrocycles with various structural features. (a) Bicyclic cryptand (ditopic receptor). (b) Calix[6]arene; R represents a functional group. (c) Cavitand. (d) Carcerand. (e) Cyclophanes.
Image
from article Macrocyclic compound
Tetramers. (a) Resorcinarene having the rctt conformation. (b) Pyrogallolarene having the rccc conformation.
Image
from article Macrocyclic compound
The metal cation is the guest and the organic structure is the host in (a) 18-crown-6 complex of potassium cation (K+) and (b) sodium (Na+) complexed by a calix[4]arene.
Image
from article Macrocyclic compound
Complexing species. (a) Dibinaphtho-22-crown-6. (b) R,R-dibinaphtho-22-crown-6 complex of phenethylammonium chloride.
Image
from article Macrocyclic compound
Affinities for anions and cations shown for (a) pyrrole and (b) furan-derived cyclic tetramers.
