Biochem Chemopharma

Eriochrome Blue Black R, Solochrome Dark Blue

Benzoic acid benzyl ester

4-Hydroxy-5-(2-hydroxybenzylideneamino)-naphthalene-2,7-disulfonic acid monosodium salt hydrate; 4-Hydroxy-5-(salicylideneamino)-2,7-naphthalenedisulfonic acid monosodium salt

Reagents

ARSENAZO III AR

2,2'-(1,8-Dihydroxy-3,6-disulfonaphthylene-2,7-bisazo)bisbenzenearsonic acid, 2,7-Bis(2-arsonophenylazo)chromotropic acid

(S)-(+)-Aminosuccinic acid, (S)-Aminobutanedioic acid

SODIUM ACID SULFITE / SODIUM HYDROGEN SULFITE