| Nosaukums | <p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">This document specifies a method for the determination of the elements aluminium, antimony, arsenic, barium, beryllium, bismuth, boron, cadmium, caesium, calcium, cerium, chromium, cobalt, copper, dysprosium, erbium, gadolinium, gallium, germanium, gold, hafnium, holmium, indium, iridium, iron, lanthanum, lead, lithium, lutetium, magnesium, manganese, mercury, molybdenum, neodymium, nickel, palladium, phosphorus, platinum, potassium, praseodymium, rubidium, rhenium, rhodium, ruthenium, samarium, scandium, selenium, silver, sodium, strontium, terbium, tellurium, thorium, thallium, thulium, tin, titanium, tungsten, uranium and its isotopes, vanadium, yttrium, ytterbium, zinc and zirconium in water (e.g. drinking water, surface water, ground water, waste water and eluates).</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">Taking into account the specific and additionally occurring interferences, these elements can be determined in water and digests of water and sludge (e.g. digests of water as described in <span class="stdpublisher"><span style="color: black; mso-color-alt: windowtext;">ISO</span></span> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext;">15587</span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext;">1</span></span> or <span class="stdpublisher"><span style="color: black; mso-color-alt: windowtext;">ISO</span></span> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext;">15587</span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext;">2</span></span>).</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">The working range depends on the matrix and the interferences encountered. In drinking water and relatively unpolluted waters, the limit of quantification (<em style="mso-bidi-font-style: normal;">L</em><sub>OQ</sub>) lies between 0,002 µg/l and 1,0 µg/l for most elements (see <span class="citetbl"><span style="color: black; mso-color-alt: windowtext;">Table 1</span></span>). The working range typically covers concentrations between several ng/l and mg/l depending on the element and specified requirements.</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">The quantification limits of most elements are affected by blank contamination and depend predominantly on the laboratory air-handling facilities available on the purity of reagents and the cleanliness of glassware.</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">The lower limit of quantification is higher in cases where the determination suffers from interferences (see <span class="citesec"><span style="color: black; mso-color-alt: windowtext;">Clause 5</span></span>) or memory effects (see <span class="stdpublisher"><span style="color: black; mso-color-alt: windowtext;">ISO</span></span> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext;">17294</span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext;">1</span></span>).</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">Elements other than those mentioned in the scope can also be determined according to this document provided that the user of the document is able to validate the method appropriately (e.g. interferences, sensitivity, repeatability, recovery).</span></p> |
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| Darbības sfēra | <p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">This document specifies a method for the determination of the elements aluminium, antimony, arsenic, barium, beryllium, bismuth, boron, cadmium, caesium, calcium, cerium, chromium, cobalt, copper, dysprosium, erbium, gadolinium, gallium, germanium, gold, hafnium, holmium, indium, iridium, iron, lanthanum, lead, lithium, lutetium, magnesium, manganese, mercury, molybdenum, neodymium, nickel, palladium, phosphorus, platinum, potassium, praseodymium, rubidium, rhenium, rhodium, ruthenium, samarium, scandium, selenium, silver, sodium, strontium, terbium, tellurium, thorium, thallium, thulium, tin, titanium, tungsten, uranium and its isotopes, vanadium, yttrium, ytterbium, zinc and zirconium in water (e.g. drinking water, surface water, ground water, waste water and eluates).</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">Taking into account the specific and additionally occurring interferences, these elements can be determined in water and digests of water and sludge (e.g. digests of water as described in <span class="stdpublisher"><span style="color: black; mso-color-alt: windowtext;">ISO</span></span> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext;">15587</span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext;">1</span></span> or <span class="stdpublisher"><span style="color: black; mso-color-alt: windowtext;">ISO</span></span> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext;">15587</span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext;">2</span></span>).</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">The working range depends on the matrix and the interferences encountered. In drinking water and relatively unpolluted waters, the limit of quantification (<em style="mso-bidi-font-style: normal;">L</em><sub>OQ</sub>) lies between 0,002 µg/l and 1,0 µg/l for most elements (see <span class="citetbl"><span style="color: black; mso-color-alt: windowtext;">Table 1</span></span>). The working range typically covers concentrations between several ng/l and mg/l depending on the element and specified requirements.</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">The quantification limits of most elements are affected by blank contamination and depend predominantly on the laboratory air-handling facilities available on the purity of reagents and the cleanliness of glassware.</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">The lower limit of quantification is higher in cases where the determination suffers from interferences (see <span class="citesec"><span style="color: black; mso-color-alt: windowtext;">Clause 5</span></span>) or memory effects (see <span class="stdpublisher"><span style="color: black; mso-color-alt: windowtext;">ISO</span></span> <span class="stddocNumber"><span style="color: black; mso-color-alt: windowtext;">17294</span></span>-<span class="stddocPartNumber"><span style="color: black; mso-color-alt: windowtext;">1</span></span>).</span></p>
<p class="MsoBodyText" style="mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-GB" style="mso-bidi-font-size: 12.0pt;">Elements other than those mentioned in the scope can also be determined according to this document provided that the user of the document is able to validate the method appropriately (e.g. interferences, sensitivity, repeatability, recovery).</span></p> |
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