Determination of calcium content in condiments using DBM-MSA spectrophotometry;

A new reagent dibromo-p-methyl-methyl-sulfonazo(DBM-MSA) is sensitive and highly secective chromogenic reagent for lead.

Discussion and Application on Developing Reaction of New Developing Agent-MSA-DBM with Bi;

In HCl medium,calcium with MSA-DBM form a blue complex.

Study on the synthesis and color reactions of a new reagent dibromo-p-methyl-methylsulfonazo;

Synthesis of a new chromogenic reagent dibromo-p-methyl-bromosulfonazo(DBMBSA)and its color reaction with lead;

Spectrophotometric Determination of Calcium in Magnesium Oxide with New Chromogenic Reagent Dibromo-p-methyl-sulfonazo;

Spectrophotometric determination of barium in Si-Al-Ba alloy with dibromo-p-methylsulfonazo;

Spectrophotometric determination of micro lead in aluminium alloy with dibromo-p-methylsulfonazo;

Study on spectrophotometric determination of strontium with dibromo-p-methylsulfonazo and its application;