ERIOCHROME BLACK T INDICATOR Solution

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ERIOCHROME BLACK T INDICATOR Solution

Eriochrome Black T or EBT metal indicator

Eriochrome Black T complexometric metal indicator solution

Key details

Generic name Eriochrome Black T or EBT metal indicator
Standard packing 1.00 Bottle PWD
Supply locations ERIOCHROME BLACK T INDICATOR Solution manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai, Sharjah, UAE, Gulf, Middle East, Muscat Oman, Kenya Africa. Get the best quality of ERIOCHROME BLACK T INDICATOR Solution at a competitive price from us. We have ready stock of ERIOCHROME BLACK T INDICATOR Solution in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders.

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Application

Eriochrome black T is used as an indicator in analytical chemistry. 
It is also used in the detection of rare earth metals. It finds application in dyeing and printing of wool fabric, dyeing of silk and nylon as well as in leather dyeing. It can be used in the spectrophotometric determination of diphenhydramine hydrochloride in pharmaceutical preparations. 

As a complexometric indicator, it is useful in the determination of hardness of water.

Using Procedure

Metal Titration Indicator
Water Hardness Determination process. It is an azo dye.
Black Stains and Dyes and Indicators

Technical Specifications
C.A.S. No. 1787-61-7
CI NO. 14645
M.F. C20H12N3NaO7S
M.W. 461.38gm/mole

Specifications:

Solubility 0.1 % (Dist. Water) Clear solution
Absorption Maximum (at pH 10.0 Ammonia Buffer + 2ml 0.05M E.D.T.A.) ?max 610-630nm
Absorptivity (A1%,1cm at ?max at pH10.0 Ammonia Buffer + 0.05M E.D.T.A.) >300
Loss On Drying (110°C) <1%
Suitability as indicator for Metal Titration Passes test
 
Remarks

CAS 1787-61-7,7647-14-5

Note

Synonym :- 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt

Suitability :- Passes (for complexometric determination of metals)

Color :- Brownish-black to black

Grade :- Pure

Physical Form :-Powder

Formula Weight:- 461.38

Infrared Spectrum:- Authentic

Solubility in water: slightly soluble

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