Registration number (WIID)Project No.TitleStatus
11733LVS EN 13652:2003 LSoil improvers and growing media - Extraction of water soluble nutrients and elementsStandarts spēkā
11732LVS EN 13650:2003 LSoil improvers and growing media - Extraction of aqua regia soluble elementsStandarts spēkā
11683LVS EN 12947:2002Liming materials - Determination of magnesium content - Atomic absorption spectrometric methodStandarts spēkā
10510LVS EN ISO 10249:2003 LFluid fertilizers - Preliminary visual examination and preparation of samples for physical testingStandarts spēkā
11807LVS 368:2003Fertilizers - Determination of arsenic content by graphite furnace atomic absorption spectrometric methodStandarts spēkā
10938LVS EN 13654-1:2003 /NAC:2004Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl methodStandarts spēkā
11501LVS EN 12944-1:2001 +ACFertilizers and liming materials and soil improvers - Vocabulary - Part 1: General termsStandarts spēkā
11663LVS EN 1235:2002Solid fertilizers - Test sievingStandarts spēkā
10466LVS ISO 6598:2001Fertilizers - Determination of phosphorus content - Quinoline phosphomolybdate gravimetric methodStandarts spēkā
11673LVS EN 12048:2002Solid fertilizers and liming materials - Determination of moisture content - Gravimetric method by drying at (105 + 2) °CStandarts spēkā
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