1.04159

Orcein

• NACRES: NA.21

Eigenschaften

• form: solid
• Quality Segment: 200
• bulk density: 900‑1000 kg/m³
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: 2-30°C

Beschreibung

General description

The dry dye Orcein for microscopy Certistain^® is used for the preparation of a staining solution for staining of elastic fibers. It is also used for sex chromatin staining, nuclear staining and demonstration of hepatic inclusions, especially of hepatitis B antigen. As a CERTISTAIN^® dye it is chemically quality-certified according to highest standards and strict specifications.

Application

for microscopy Certistain^®

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ max (NaOH 0.01 mol/l): 575 - 580 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.001 %; Sodium hydroxide solution 0.01 mol/l): 270 - 330
TLC-Test: passes test
Loss on drying (110 °C): ≤ 7 %
Suitability for microscopy: passes test

Legal Information

CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 3