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Test Specification Min Max CHROMIUM (Cr) 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3112 3112 EXPIRATION DATE
5% MELTING RANGE 141
20% RETEST DATE
Test Specification Min Max ABSORPTION MAX 620 - 630 nm 620 - 630 nm VISUAL TRANSITION INTERVALS pH 0
01% RESIDUE AFTER IGNITION 0
Eriochrome(R) Blue Black R size:500 GM Test Specification Min Max CHROMIUMMolecular Formula C20H13N2O5SNa CAS Number 2538 85 4 Eriochrome(R) Blue Black R, also known as Solochrome Black T, is a complexometric indicator used as an indicator in EDTA titration; it can also be used to detect rare earth metals.
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