Publisher : STANDARDS NORWAY SN-CEN-TS SERIES

SN-CEN/TS 1555-7:2013 PDF

Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 7: Guidance for the assessment of conformity

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SN-CEN/TS 1555-7:2021 PDF

Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 7: Guidance for the assessment of conformity

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SN-CEN/TS 15558:2007 PDF

Fertilizers — Determination of nitric and ammoniacal nitrogen according to Ulsch

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SN-CEN/TS 15559:2007 PDF

Fertilizers — Determination of nitric and ammoniacal nitrogen according to Arnd

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SN-CEN/TS 15560:2007 PDF

Fertilizers — Determination of total nitrogen in calcium cyanamide nitrate free

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SN-CEN/TS 15561:2007 PDF

Fertilizers — Determination of total nitrogen in calcium cyanamide containing nitrates

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SN-CEN/TS 15562:2007 PDF

Fertilizers — Determination of cyanamide nitrogen

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SN-CEN/TS 15568:2006 PDF

Foodstuffs — Methods of analysis for the detection of genetically modified organisms and derived products — Sampling strategies

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SN-CEN/TS 15590:2007 PDF

Solid recovered fuels — Determination of potential rate of microbial self heating using the real dynamic respiration index

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SN-CEN/TS 15597-2:2012 PDF

Winter maintenance equipment — Spreading machines (gritting machines) — Part 2: Requirements for distribution and its test

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