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We can prepare in accordance to your special requirements (any concentration desired). Call for more information. See Formaldehyde Solution, for other standard concentrations. In addition to our complete line of Formaldehyde solutions shown above we have now added to the line.Since the DOT (Department of Transportation) has changed the definition of what a non dangerous solution of formaldehyde is to under 10%, we are now offering an 8% and a 4% solution. This will allow us to ship overnight as well as overseas without any hazardous charges saving our customers a good deal of money. The quality of our 8% and 4% aqueous Paraformaldehyde solution is as good as all of the other concentrations that we offer.
Ready To mix. Kit consists of: 2 x 10 ml ampoules 16% Formaldehyde 1 x 10 ml ampoules 50% Glutaraldehyde1x50 ml 0.2M Sodium Phosphate Buffer.
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RT | 15731-10 | Karnovsky Fixative Reagent Grade | 1 L |
Please Note: This kit can be formulated to fit your requirements. Please contact us.
0-5°C | 15732-10 | Karnovsky Fixative EM Grade | 1 L |
Please see listing in Embedding Media for Histology and Light Microscopy.
Please see listing in Embedding Media.
A specialized wax which consists of light blue pellets used specifically for small biopsy specimens, as well as for general use with all other tissues.
The ParaPro Blue offers better visualization of the tissue and allows for sectioning as low as 3µm thick. The melting point of the wax is 56°C and offers perfect ribbon continuity.
RT | 19310-01 | Paraffin Wax, ParaPro Blue | 1kg |
RT | 19310-02 | Paraffin Wax, ParaPro Blue | 8kg/cs |
Handy pellet form melts rapidly. Melting Point 53-54°C. Cuts to 2 micron thickness with exceptional ribbon continuity. Extra compression resistance provides total support of tissues.
RT | 19214 | Paraplast X-tra | 1 kilo |
RT | 19215 | Paraplast X-tra | 8 kilo |
Reduces infiltration time by one-third. Cuts to 2 micron thickness with excellent ribbon continuity. Convenient pellet form melts rapidly. Melting point 56°C. Double filtered. No need for filtration before use.
RT | 19216 | Paraplast Plus | 1 kilo |
RT | 19217 | Paraplast Plus | 8 kilo |
Handy pellet form melts rapidly. Melting Point 56°C.
Cuts to 4 micron thickness with excellent ribbon continuity – no Crumbling or cracking.
Double filtered. No need for filtration before use.
RT | 19218 | Paraplast Medium | 1 kilo |
RT | 19219 | Paraplast Medium | 8 kilo |
For a continuation of our Paraffin Waxes, please see listing in Embedding Media.
Re-Embedding of Paraffin Embedded Specimens in Resin
For our complete line of Embedding Waxes, please see Embedding Media for Histology and Light Microscopy.
Please see listing in Embedding Media Kits.
C12H16N4O18 F.W. 504.28 CAS #9004-70-0
Highly purified from cellulose nitrate; specially prepared for embedding tissue for sectioning and for preparing semi-permeable membranes.
RT | 19220 | 10g |
See Collodion, 2%.
Description: Pepsin is used for proteolytic digestion of formalin-fixed paraffin-embedded (FFPE) tissue sections prior to application of antibodies. In IHC most commonly used fixative like formalin mask tissue antigens (cellular, membrane and nuclear) by cross-linking process, this results in poor or no staining in IHC. Pepsin digestion of FFPE tissue section improves accessibility of antibodies to tissue antigens.
Storage: 2-8°C. DO NOT FREEZE
Intended Use:Use as antigen retriever for some antibodies in IHC. Please refer to primary antibody protocol for IHC.
Reagent: Ready-to-use Pepsin reagent available in 2 sizes: 15 and 100 ml
4-8°C | 64142-05 | Pepsin Reagent | 15 ml |
4-8°C | 64142-06 | Pepsin Reagent | 100 ml |
H5IO6 F.W. 227.96 CAS #10450-60-9
Assay | >99.0% | |
Heavy Metals | .0.005% | |
Insoluble Matters | 0.01% | |
Iron | .0.003% | |
Other Halogen (Cl) | 0.01% | |
Residue after Ignition | 0.01% | |
Sulfate | 0.01% |
Used as a Fixative: Issidorides, M.R., and Kasorchis, T. (1981).
Dispersed and compact chromatin demonstrated with a new EM Method: phosphotungstic acid-hematoxylin block-staining. Histochemistry 73,21.
Used widely as a Negative Stain:
RT | 19325 | 25 g |
Please see listing in Reagents for Histology.
Please see listing in Adhesives and Mountants.
EMS is proud to announce and release of our newest Buffer for EM PHEM.
PHEM buffer has been used primarily for tissues and cell cultures being processed for immunocytochemical studies. Most antigens, especially intra cellular ones, stain better using PHEM than those processed using PBS, it also has a more limited effect on biochemical reactions and enzymes. Very good preservation of cellular ultrastructure, notably microtubules, is also an advantage of PHEM use.
Academic Editor: James Reimer, published online March 31, 2016
2-8°C | 11162 | PHEM Buffer | 225ml |
2-8°C | 11163 | PHEM Buffer | 500ml |
(Phenolsulfonphthalein)
C19H14O5S F.W. 354.38 CAS #143-74-8
A standard indicator for preparing buffers, pH range 6.4-8.2.
RT | 19327 | 5 g |
(Phenolsulfonphthalein Sodium Salt)
C19H13NaO5S F.W. 376.37 CAS #34487-61-1
A standard indicator for preparing buffers, pH range 6.8-8.2.
Assay | >99.0% | |
Water | <0.1% |
RT | 19328 | 5 g |
C6H5CH2SO2F F.W. 174.20 CAS #329-98-6
Assay | >99.0% | |
Water | <0.1% |
RT | 19330 | 1g | |
RT | 19331 | 5g |
Please see listing in Prepared Buffers.
RT | 11600-05 | 500 ml | |
RT | 11600-10 | 1 L |
(Acid Red 92; Cyanosine; Eosin 10B; Phloxine TA, N, BP Super, RB, TB, or BB)
C20H2O5Cl4Br4Na2 F.W. 829.66 CAS #18472-87-2
Solubility: 10.5% Water; 5.0% Alcohol; 9.0% Cellosolve; 4.5% Glycol; 0.0% Xylene
RT | 19350 | 25 g |
(dodeca-Molybdophosphoric Acid)
H3PO4·12(MoO3)·24H2O F.W. 2257.6 CAS #51429-74-4
RT | 19400 | 100g |
Please see listing in Reagents for Histology.
(Tungstophosphoric Acid)
H3[P(W3O10)4] aq F.W. 2880.17+aq CAS #12501-23-4
Specifications:
Appearance | Practically clear, colorless solution. |
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Ammonia (NH ) | 0.004% | |
Chloride (Cl) | 0.03% | |
Insoluble Matter | 0.02% | |
Nitrate (NO3 ) | 0.004% | |
Sulfate (SO4 ) | 0.005% | |
Heavy Metals and Iron. | No color formation on addition of Hydrogen Sulfide |
Issidorides, M.R., and Kasorchis, T. (1981).
Dispersed and compact chromatin demonstrated with a new EM Method: phosphotungstic acid-hematoxylin block-staining. Histochemistry 73,21.
RT | 19500 | Phosphotungstic Acid, Crystal, Reagent, Highest Purity | ![]() |
100g |
Please see listing in Reagents for Histology.
(2,4,6-Trinitrophenol)
C6H2(NO2) 3OH FW 229.11 CAS #88-89-1
A.C.S. Specifications:
Water | min 30% | |
Melting Point (dried) | 121-123°C | |
Insoluble in Resinous Matter. | 0.01% | |
Insoluble in benzene | 0.1% | |
Sulfate | 0.01% |
RT | 19550 | 100g |
Наименование | Объем | Производство | Метод | Кат.Номер |
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16% Paraformaldehyde Aqueous Solution EM Grade, methanol free, 10x10 ml | Electron Microscopy Sciences | 15710 ![]() |
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