| Reference | Designation/Description | Accredited assay |
Reference standards |
Product/ Material |
Comments (Administrator) |
|---|---|---|---|---|---|
| QUI.187 | Determination of heavy metals (Cd, Cu, Ni, Pb, Zn, Hg e Cr) contents by inductively coupled plasma optical emission spectrometry (ICP-OES) | ISO 11466:1995 e ISO 11885:2007 | Soils | --- | |
| QUI.188.01 | Determination of nitric nitrogen (nitrate) content by ion chromatography | ISO 14255:1998 e ISO 10304-1:2007 | Soils | --- | |
| QUI.188.02 | Determination of nitric nitrogen (nitrite) content by molecular absorption spectrophotometry | ISO 14255:1998 e NP EN 26777:1996 | Soils | --- | |
| QUI.188.03 | Determination of ammoniacal nitrogen content by molecular absorption spectrophotometry | ISO 14255:1998 e Internal method | Soils | --- | |
| QUI.188.04 | Determination of the total soluble nitrogen content by combustion and oxidation with electrochemical detection | ISO 14255:1998 e Internal method | Soils | --- | |
| QUI.189 | Determination of soluble phosphor content by molecular absorption spectrophotometry | ISO 11263:1994 | Soils | --- | |
| QUI.190 | Determination of the total nitrogen content by dry combustion (elementary analysis) | ISO 13878:1998 | Soils | --- | |
| QUI.191 | Determination of the content of acid-soluble sulphates by gravimetry | ISO 11048:1995 | Soils | --- | |
| QUI.192 | Determination of granulometry by the Bouyoucos method | Internal method (Bouyoucos method) | Soils | --- | |
| QUI.193 | Determination of electrical conductivity by electrometry | Internal method | Soils | --- | |
| QUI.194 | Determination of total metals (arsenic, barium, beryllium, cadmium, lead, cobalt, copper, chromium, strontium, lithium, mercury, nickel, silver, titanium and zinc) by optical emission spectrometry with inductively coupled plasma (ICP-OES) | ISO 16729:2013 e ISO 11885:2007 | Soils | --- | |
| QUI.195 | Determination of exchange bases (calcium, magnesium, potassium and sodium) and cation exchange capacity by optical emission spectrometry with inductively coupled plasma (ICP-OES) | ISO 11885:2007 | Soils | --- | |
| QUI.196 | Determination of extractable phosphor and potassium by optical emission spectrometry with inductively coupled plasma (ICP-OES) | ISO 11885:2007 | Soils | --- | |
| QUI.197 | Determination of extractable magnesium by optical emission spectrometry with inductively coupled plasma (ICP-OES) | ISO 11885:2007 | Soils | --- | |
| QUI.198 | Determination of iron, copper and manganese extractable by optical emission spectrometry with inductively coupled plasma (ICP-OES) | ISO 11885:2007 | Soils | --- |