Principles and requirements for the soil texture analysis according to methods recommended by International Standard Organization [ISO]

• Autorzy: Drzymala S.
• Języki publikacji: EN

Abstrakty

EN

For several years now the Polish Normalisation Committee (PKN) has been angaged in the process of introduction (and implementation) of international standards complying with the Internationsl Standard Organsation (ISO) into the set of of Polish Standards.At present, in the PKN Commission of Soil Physics, a number of such standards are being prepared (translated) -including a very comprehensive standard dealing with partiele size distribution determination in soil material-ISO 11277 [6], Some principles and requirements included in this standard differ significantly from those commonly accepted and widely in use now in numerous pedologie laboratories in Poland [7,8]. Below there are some of the most important differences: (1 ) the requirement to remove organic matter from test samples (using 30% v/v solution of H2O2), (2) the requirement to remove water soluble salts and gypsum (to electrical conductivity 0,4 dS/m), (3) sample dispersion process must be longer than 18 hours. Many other requirements, of relatively lesser importance, in many cases also do not correlate with those commonly accepted in our laboratories.

Słowa kluczowe

EN

International Standard Organization; soil science; Polish standard; Polish Normalization Committee; soil material; particle size distribution; International Standard-ISO 11277; international standard; soil texture

• Wydawca: -
• Czasopismo: Acta Agrophysica
• Rocznik: 2000
• Tom: 35
• Opis fizyczny: p.55-60,fig.

Twórcy

autor

Drzymala S.

• Agricultural University, Mazowiecka 42, 60-623 Poznan, Poland

Bibliografia

• 1. ISO 3696; Water for analytical laboratory use - Specification and test methods. Geneve, Switzerland, 1987.
• 2. ISO 565: Test sieves - Metal wire cloth, perforated metal plate and electroformed sheet - Nominal sizes of openings. Geneve, Switzerland, 1990.
• 3. ISO 3310-1: Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth. Geneve, Switzerland, 1990.
• 4. ISO 3310-2: Test sieves - Technical requirements and testing - Part 1: Test sieves of perforated metal plate Geneve, Switzerland, 1990.
• 5.ISO 11464: Soil quality - Pretreatment of samples for physico-chemical analyses. Geneve, Switzerland, 1994,
• 6.ISO 11 277: Soil quality - Determination of partiele size distribution in mineral soil material - Method by sieving and sedimentation. Geneve, Switzerland 1998.
• 7.Mocek A., Drzymała S., Maszner P.: Genesis, analysis and elassi fication of soil (in Polish). Wyd, AR Poznań, 1997 (in Polish).
• 8.Polska Norma PN-R-04033: Mineral soils. Sampling and determination of partiele-size distribulion. Polski Komitet Normalizacyjny, Warszawa. 1997.