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COLORIMETRO DE NITRATO MARINO ETIQUETA 00 ppm de sílice SULFATO FERROSO DE AMONIO CRISTAL ACS 00 ppm de sílice La cantidad de color desarrollado es proporcional a la concentración de zinc presente en la muestra acuosa Diseño compacto y portátil El HI781 Nitrate Checker HC es un colorímetro de mano que utiliza el principio Beer Lambert para determinar colorimétricamente la concentración de nitrato
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