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|a Instituto Colombiano de Normas Técnicas y Certificación (Icontec)
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1 |
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|a Normas técnicas
|
| 245 |
1 |
0 |
|a Gestión ambiental :
|b determinación del ph en muestras de deposiciones atmósfericas húmedas, por medición electrométrica Environmental management : test method for ph atmospheric wet deposition sampels by electrometric determination /
|c ICONTEC.
|
| 246 |
3 |
7 |
|a NTC 3931
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| 246 |
3 |
1 |
|a Environmental management :
|b test method for ph atmospheric wet deposition sampels by electrometric determination
|
| 260 |
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|a Bogotá :
|b Icontec,
|c 1996.
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| 300 |
|
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|a 13 páginas :
|b ilustraciones ;
|c 29 cm.
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| 500 |
|
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|a Esta norma es equivalente (EQV) a la ASTM D 5015-89
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7 |
|a Concentración de hidrogeniones
|x Mediciones
|v Normas técnicas
|2 Armarc
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|a Humedad atmosférica
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|z Av. Manuel Humberto Cárdenas Calle 16, Fusagasugá
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