About: Heller's test

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Heller's test is a chemical test that shows that strong acids cause the denaturation of precipitated proteins. Concentrated nitric acid is added to a protein solution from the side of the test tube to form two layers. A white ring appears between the two layers if the test is positive. Heller's test is commonly used to test for the presence of proteins in urine. This test was discovered by the Austrian Chemist, Johann Florian Heller (1813-1871).

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  • Heller's test is a chemical test that shows that strong acids cause the denaturation of precipitated proteins. Concentrated nitric acid is added to a protein solution from the side of the test tube to form two layers. A white ring appears between the two layers if the test is positive. Heller's test is commonly used to test for the presence of proteins in urine. This test was discovered by the Austrian Chemist, Johann Florian Heller (1813-1871). (en)
  • La prueba de Heller es una prueba química que muestra que los ácidos fuertes provocan la desnaturalización de las proteínas precipitadas. Se agrega ácido nítrico concentrado a una solución de proteína desde el costado del tubo de ensayo para formar dos capas. Aparece un anillo blanco entre las dos capas si la prueba es positiva.​ La prueba de Heller se usa comúnmente para evaluar la presencia de proteínas en la orina.​ Esta prueba fue descubierta por el químico austríaco (1813-1871). (es)
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  • Heller's test is a chemical test that shows that strong acids cause the denaturation of precipitated proteins. Concentrated nitric acid is added to a protein solution from the side of the test tube to form two layers. A white ring appears between the two layers if the test is positive. Heller's test is commonly used to test for the presence of proteins in urine. This test was discovered by the Austrian Chemist, Johann Florian Heller (1813-1871). (en)
  • La prueba de Heller es una prueba química que muestra que los ácidos fuertes provocan la desnaturalización de las proteínas precipitadas. Se agrega ácido nítrico concentrado a una solución de proteína desde el costado del tubo de ensayo para formar dos capas. Aparece un anillo blanco entre las dos capas si la prueba es positiva.​ La prueba de Heller se usa comúnmente para evaluar la presencia de proteínas en la orina.​ Esta prueba fue descubierta por el químico austríaco (1813-1871). (es)
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  • Prueba de Heller (es)
  • Heller's test (en)
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