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अंग्रेजी-हिंदी > orcein का अर्थ

orcein इन हिंदी

आवाज़:  
orcein उदाहरण वाक्य
उदाहरण वाक्य
1.Orcein and other lichen dyes have largely been replaced by synthetic versions.

2.Often orcein or a combination of resorcinol and fuchsine are used for staining.

3.The chemical components of orcein were elucidated only in the 1950s by Hans Musso.

4.Orcein is a reddish-brown dye, orchil is a purple-blue dye.

5.It is especially useful today for staining chromosomes in plant or animal tissues, as a replacement for Aceto-orcein stain.

6.Oxidation of the ammoniacal solution gives orcein, C 28 H 24 N 2 O 7, the chief constituent of the natural dye archil.

7.Orcein is also used as a stain in microscopy to visualize chromosomes, elastic fibers, Hepatitis B surface antigens, and copper-associated proteins.

8.I'd like to do this experiment with my students in high school, but I can't get my hands on any orcein.

9.It is used in the production of the dye orcein and as a reagent in some chemical tests for pentoses, such as Bial's Test.

10.Orcein is not approved as a food dye ( banned in Europe since January 1977 ), with E number E121 before 1977 and E182 after ., Its CAS number is.

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