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CONJUNTO RGT, TNT HR NITROGENO TOTAL CONTEO la solución se vuelve amarilla TIPO:GIRATORIOS. la solución se vuelve amarilla a azul verde cuando alcanza el punto final de pH cerca de pH 4 Los reactivos para nitrógeno siguen el método de Ned para determinar la concentración como nitrato nitrógeno (NO 3 N) optimizada para obtener resultados de medición fiables y facilitar la manipulación TNT = Test 'N Tube 25 50 tests
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