Low molecular weight. Mordant used in combination with glutaraldehyde and osmium tetroxide to improve membrane contrast.
C16H9N4Na3O9S2, F.W. 534.37, CAS No. 1934-21-0
Acid Yellow 23
Tatrazine is used as a contrast stain that is sometimes substituted for Orange G in animal histology.
Technovit® Glycol Methacrylate embedding kits were developed by Kulzer in Germany. They are most convenient to use, and offer the best embedding results.
- Technovit® GMA kits result in improved morphology,and allow for 1 micron serial sectioning.
- Technovit® 7100 GMA is less sensitive to oxygen during polymerisationmaking sealing of the moulds unnecessary.
- The polymerisation temperature never exceeds 40°C, making Technovit® a great choice for enzyme histochemistry.
- Consistent high quality of raw materials used produces permanent clear colourless blocks and reproducible results.
- 500mL Glycol methacrylate monomer
- 5 x 0.6g packs hardener I
- 40mL hardener II
CAS NO.: [76-61-9]
F.W.: 221 - 224°C
This indicator is a member of the sulfonephthalein series of acid-base indicators.
Visual-transitions intervals: acid range from pH 1.2(red) to pH 2.8(yellow); alkaline range from pH 8.0(yellow) to pH 9.2(blue).
Colour Index #52040
C15H16N3SCI F.W. 305.83
Basic Blue 17 or Tolonium chloride. General stain for epoxy thick sections and wide histological applications.
Colour Index #23850
Synonyms: Direct Blue 14; Niagra Blue 3B; CAS 72-57-1. C34H24N6Na4O14S4
FW: 960.82. Soluble in water <0.1mg/ml and 0.6mg/ml in ethanol. Trypan Blue is a blue acid dye with two azo chromophores. In biology it is widely used as a teratogenic - vital stain. This relates to the H - acid moieties, which are adsorbed onto protein.
UAR-EMS URANYL ACETATE REPLACEMENT STAIN
A non-radioactive substitute for uranyl acetate with comparable results. Avoids the tedious authorization, shipping and disposal issues involving uranyl acetate without sacrificing performance. Two lanthanide salts, samarium and gadolinium triacetate, effectively used for positive staining of plastic-embedded animal and plant tissues. Also for negative staining of macromolecules. Not recommended as a fixative.
This item is not a DG.
UO2(OCOCH3)2·2H2O F.W. 424.14
Specifications: Insoluble Matters ............................................
Universal EM stain for thin sections and negative staining.
Radioactive (contains 50% uranium) non‐cumulative poison.
The price of C079 does not include freight. The Dangerous Goods freight cost per order is the same for one or multiple units. Ordering several units will reduce the overall price/unit.
For use in staining blood and bone marrow films, also for staining parasites in blood films.