No. 11200: Nitrocellulose Solution, 1%
For preparing thin films by casting on glass or water, and for making
direct thin film replicas of surfaces. 30ml. . . . .$16.00
No. 11201: Nitrocellulose Solution, 1%
For use when larger quantities are required. 100ml. . . . .$26.00
No. 11210: Nitrocellulose Solution, 10%
For making thick plastic replicas and dispersing particulate materials.
30ml. . . . .$14.95
No. 11180: Superclean Nitrocellulose Solution, 1%
For casting thin nitrocellulose substrates. 1 ml in glass vial. Full
instructions included.
Pkg/6 vials. . . . .$14.30
No. 11190: Nitrocellulose Solution, Made To Order
Order by percentage desired. Not greater than 10%. 100ml. . . . .$37.85
No. 50230: Amyl Acetate
EM grade refluxed and redistilled to insure purity and cleanliness.
Moisture-free. Same as used in EFFA products for adjusting nitrocellulose
concentrations. 100ml. . . . .$10.40
Vinylec (Polyvinyl Formal)
The Formvar formula was bought by the competition and it is no longer
manufactured under that name. Prepared using the same method as the nitrocellulose
solutions; virtually all moisture is removed. Solvent is purified EM grade
ethylene dichloride.
No. 11220: Vinylec (Polyvinyl Formal) Solution, 0.25%
For casting thin films on glass, or for making direct thin film replicas
of surfaces. 30ml. . . . .$16.25
No. 11230: Vinylec (Polyvinyl Formal) Solution, 0.25%
For dipping standard microscope slides.
100ml. . . . .$26.40
No. 11231: Vinylec (Polyvinyl Formal) Solution, 0.5%
For use when larger quantities are desired. 100ml. . . . .$26.25
No. 11232: Vinylec (Polyvinyl Formal) Solutions Made To Order
Specify concentration desired. 100ml. . . . .$37.30
No. 11330: Vinylec (Polyvinyl Formal) Resin
Dry Vinylec resin in powder. For making Vinylec solutions with ethylene
dichloride or dioxane. Instructions included. 100g. . . . .$11.70
No. 50240: Ethylene Dichloride
EM grade, refluxed and redistilled to insure purity and cleanliness.
Moisture-free for making or diluting Vinylec solutions. 100ml. . . . .$7.10
All of our substrates are packed individually in EFFA Mini-Vials. These pre-cleaned vials have rounded inner ends which prevent the surface of the grids from coming in contact with the vial. The attached cap has positive closure, preventing contamination of the specimen. See Grid Storage to order Mini-Vials separately.
Substrates In Stock (All Stock Films Mounted On 200 Mesh Copper Grids)
No. 11250: Carbon Films
Each. . . . .$4.00
No. 11280: Silicon Monoxide Films
Each. . . . .$7.75
Nitrocellulose Films
No. 11282: Nitrocellulose Films
Pkg/25. . . . .$43.65
No. 11284: Nitrocellulose Films, Stabilized with Carbon
Pkg/25. . . . .$44.10
No. 11285: Nitrocellulose Films, Stabilized with Silicon Monoxide
Pkg/25. . . . .$44.10
Vinylec (Polyvinyl Formal) Films
No. 11270: Vinylec (Polyvinyl Formal) Films
Pkg/25. . . . .$38.00
No. 11272: Vinylec (Polyvinyl Formal) Films, Stabilized with Carbon
Pkg/25. . . . .$43.00
No. 11273: Vinylec (Polyvinyl Formal) Films, Stabilized with Silicon Monoxide
Pkg/25. . . . .$43.65
Carbon Films are extremely stable under the electron beam. They are usually made as very thin films, generally 200 Angstroms or more. Although they do have a fine background structure, it is of low contrast and does not interfere significantly with the specimen image.
Silicon Monoxide Films, having very little background contrast, are excellent for high resolution work and are quite flexible.
Plastic Type Films, Vinylec (Polyvinyl Formal) and nitrocellulose (collodion),
are generally on the order of 200 Angstroms or more thick. They have a
tendency to decompose in the electron beam and to shrink slightly when
first irradiated.
No. 14560: Special Films Made To Order
Specify film, grid diameter, grid material and mesh size, pkg/25. .
. . .POR
No. 14580: Special Films Stabilized With Carbon Or Silicon Monoxide
On plain copper or nickel grids. Specify film, stabilizer, grid material
and mesh size (200 through 400 mesh). Finer mesh sizes available, ask for
price. Pkg/25. . . . .$67.60
No. 14581: Special Carbon Films On Plain Copper Or Nickel Grids
On 200 mesh through 400 mesh. Specify mesh size and material. Finer
mesh sizes available, ask for price. Pkg/25. . . . .$103.20
No. 14582: Special Silicon Monoxide Films On Plain Copper Or Nickel
Grids
On 200 mesh through 400 mesh. Specify mesh size and material. Finer
mesh sizes available, ask for price. Pkg/25. . . . .$100.20
No. 14590: Ruby Mica
For producing ultra-clean surfaces, for use as substrates, or as a
specimen support medium. Various thicknesses. Pkg/15g. . . . .$19.70
No. 11320: Specimen Washing Kit
For washing thin specimen films and one or two step replicas from thick
supporting films by capillarity. Includes: spot plate and cover glass,
dropping bottle, screen stages, No. 3 sharpened tweezers, pin vise with
sharpened needle, capillary pipette, and instructions. . . . .$250.00
Replacement Parts:
No. 11321: Spot Plates And Cover Glass. . . . .$28.75
No. 11322: Screen Stages, box/25. . . . .$12.35
No. 11323: Pin Vise And Sharpened Needle. . . . .$9.15
No. 11324: Dropping Bottle see No. 11240
No. 11350: Sharpened Needles, pkg/10. . . . .$14.70
No. 14020: Dumont No. 3 Sharpened Stainless Steel Tweezers.
. . . .$15.75
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