LABORATORY SUPPLIES AND CHEMICALS 



135 



2628 



2630 



2632 



2634 2636 



2638 



2640 



2641 



2626 EXTRACTION APPARATUS, Knorr's, with ether tight mercury joints, 



dispensing with corks and ground joints, complete $6.00 



Extra condenser with adapter sealed on 3.60 



Extra extraction tubes with platinum sieve 3.50 



Extra flasks .40 



2627 EXTRACTION APPARATUS, Knorr's, as above, but supplied with Sy's 



flask instead of Knorr's flask 6.50 



Extra Sy's flasks, 150 cc. capacity 1.00 



2628 EXTRACTION APPARATUS, Lehmann's, especially suitable for extrac- 



tion of bulky substances. With ground joints and one flask... 5.50 



2630 EXTRACTION APPARATUS, Krussler's, with condenser, and 3 flasks 



ground on 6.00 



2632 EXTRACTION APPARATUS, Mohr's, with flask and condenser 3.00 



Extra outside tubes 80 



Extra inside extraction tubes 30 



2634 EXTRACTION APPARATUS, Soxhlet's, specially adapted to the extrac- 



tion of fat in milk analysis, etc. (Extraction tube only.) 



Capacity, cc 60 125 200 



For shells, mm. 22x80 33x80 43x123 



Each $2.00 3.00 4.00 



2635 EXTRACTION APPARATUS, Soxhlet's, specially adapted to Cotton 



Seed Oil analysis, taking double thick shells 22x80 mm. (Ex- 

 traction tube only.) 



A. Length of Syphon Tube, 1 inch $2.50 



B. Length of Syphon Tube, 1^4 inch 2.50 



2636 EXTRACTION APPARATUS, Soxhlet's, complete with flask and con- 



denser. 



Capacity, cc 60 ... 125 . . . 200 



Each $2.50 5.50 6.50 



N. B. For size and price of extraction tubes only, see No. 2634. 



2638 EXTRACTION APPARATUS, Soxhlet's, all points ground air tight, com- 

 plete with three flasks and condenser. 



Capacity, cc - 60 125 



Each $6.50 7.50 



2640 EXTRACTION APPARATUS, Soxhlet's, complete with nickel plated 

 brass ball condenser and flask. 



Capacity, cc 60 125 175 



Each $6.50 7.50 10.00 



264X EXTRACTION APPARATUS, Soxhlet's modified, with ground in Hop- 

 kins' Condenser and Knorr's flasks for mercury seal. An 

 ideal combination of ether tight joints. 



Capacity, cc 60 125 



For extraction shells, mm . . 22x80 33x80 



Each $6.50 7.50 



