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Indicator - Eriochrome Black T

Eriochrome Black T is an indicator used in determining water hardness. When protonated, it is blue.

When complexed with calcium or other metals, it is red. It can be mixed with sodium chloride in a 1:100 dilution. It forms solutions in methanol at 0.5% (w/v); in triethanolamine at 0.5% (w/v); in 2-Methoxyethanol at 0.5% (w/v); in a mixture of 20% (v/v) triethanolamine / 80% (v/v) isopropyl alcohol at 1% (w/v).

Solochrome Black is a synonym.

*Legal Information: Eriochrome is a registered trademark of Ciba Specialty Chemicals Corp. 1 gram.

Forensics Lab Supply Number 0113113.

Formerly Grau-Hall Corporation dba Grau-Hall Scientific.

The quantity of 1 gram is offered for those who require only the least amount of an item, especially for mixing up a stock solution. If a greater amount is required, a lower price per gram can be worked out, depending upon available supply. Place an order for the number of grams that are needed, and add a note to contact you by email before processing an order so that a price may be agreed upon. MSDS

This product was added to our catalog on Wednesday 07 July, 2010.
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Chordata / Ascidiacea: White Crust Tunicate colony preserved eac
Chordata / Ascidiacea: White Crust Tunicate colony preserved eac