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ERIOCHROME BLACK T ACS GRADE

ERIOCHROME BLACK T ACS GRADE excellent quality manufacturer , exporter and supplier. Eriochrome Black T, Reagent, ACS, also known as Solochrome Black T, is a complexometric indicator used as an indic [+] Read More...
Generic Name:
Indicator for EDTA titration
Article News:
,
Packing Size:
100.00 Grams
Available Packing Size:
50 Gram, 100 Gram, 500 Gram, 1 Kg DUAL SEALED pack.
Code:
RXSOL-69-1787-617
ERIOCHROME BLACK T ACS GRADE
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 [+] Read More...
Using Procedure:
Metal Titration Indicator water hardness determination process. It is an azo dye. Black Stains and Dyes and Indicators
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 blac [+] Read More...
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

Eriochrome Black T is a complexometric indicator. During titrations of water hardness determination process. Eriochrome Black T is BLUE in colour but in the presence of calcium, magnesium, or other metal ions It turns RED.

Eriochrome Black T or EBT plays colour changing role in between 6.3 to 11.5, and with RED as its acidic colour and ORANGE its basic color. 

Stability: :Stable. Incompatible with strong oxidizing agents, strong reducing agents.

Eriochrome Black T, Reagent, ACS is complexometric indicator also known as Solochrome Black T.  Most popular to used as an indicator in EDTA titration. Also used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. 
Spectrum Chemical manufactured Reagent ACS grade products meet the toughest regulatory standards for quality and purity.

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ERIOCHROME BLACK T ACS GRADE
ERIOCHROME BLACK T ACS GRADE

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