TY - GEN AU - Velev,S AU - Khristodorova,V TI - [Determination of tin in food products using pyrocatechol violet] SN - 0324-1068 PY - 1976///1002 KW - Bulgaria KW - Catechols KW - Coloring Agents KW - Food Analysis KW - methods KW - Indicators and Reagents KW - Tin KW - analysis N1 - Publication Type: English Abstract; Journal Article ER -