Borax bead test - chemical analysis, Chemistry

Assignment Help:

Borax bead test : The transparent glassy bead while heated along with inorganic salt and the colour produced gives some idea of cation present in it.

Table:

Colour of bead in oxidising flame

Colour of bead in reducing flame

Basic radical present

Greenish when hot, blue in cold.

Red and opaque

Cu

Dark green in hot and cold

Same

Cr

Deep - blue

Deep blue

Co

Yellow when hot

Green

Fe

Violet in hot and cold

Colourless

Mn

Brown in cold

Grey or black or opaque

Ni


Related Discussions:- Borax bead test - chemical analysis

Determine the gluten content in the of flour, Q. Determine the gluten conte...

Q. Determine the gluten content in the sample of flour? After undertaking this activity, you will be able to: • assess the gluten content the given sample of flour, • c

Inert paired effect, what is inert paired effect? Explain with examles

what is inert paired effect? Explain with examles

Oxygen, what is the peculiar behaviour of oxygen?

what is the peculiar behaviour of oxygen?

Define recipe problem in experimental design method, Define Recipe problem ...

Define Recipe problem in experimental design method Recipe is one of the most important factors leading to successful food products. A recipe usually includes several ingredie

Merits of atomic fluorescence spectrometry technique, Merits of atomic fluo...

Merits of atomic fluorescence spectrometry technique: The merit of the AFS methods lies within the greater sensitivity achievable because of low background and interference.

Electronic configuration of deuterium atom, Electronic configuration of deu...

Electronic configuration of deuterium atom is: (1) 1s 1                    (2) 2s 2                  (3) 2s 1                      (4) 1s 2 Ans: 1s 1

Mention the sampling stages of shelf life evaluation, Q. Mention the sampli...

Q. Mention the sampling stages of shelf life evaluation? The sampling stages of shelf life evaluation are: Experimental kitchen or pilot plant batch, full scale factory batch a

What is spontaneous reactions, Q. What is Spontaneous reactions? Ans. ...

Q. What is Spontaneous reactions? Ans. Spontaneous reactions can occur under specific conditions without any assistance. Most of the reactions you know are spontaneous r

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd