50G Hematoxylin (Natural black1) (CI 75290) for R&D, Purity 90+

Description

Hematoxylin (Natural Black 1)
Color Index 75290, Purity 90+%
50 gram
For
Research and Laboratory Purposes (Microscope)
Not for drug, human, animal, or food use
Specification:
Appearance (Form) Powder
Grade - Biological Stain
Commission (BSC) Certified.
STAINING PERFORMANCE
Satisfactory in:
- Harris alum hematoxylin vs Eosin Y
- Meyers alum hematoxylin vs Eosin Y
-
Weigerts iron mordant hematoxylin solution
- Heidenhains regressive  hematoxylin staining
Spectroscopy: Peak 522 nm, ratio 0.98 @507/537
Density @ peak 0.502 au
THIS ITEM WILL BE SHIPP IN ACCORDANCE WITH FEDEX/UPS/USPS CARRIERS, PER DOT 49CFR 172.101 REGULATIONS, PUBLISHED IN FEDERAL REGISTER 10742