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BS 7755-3.12:1996 Soil quality. Chemical methods Determination of the potential cation exchange capacity and exchangeable cations using barium chloride solution buffered at pH = 8.1
BS 7755-3.13:1998 Soil quality. Chemical methods Determination of cadmium, chromium, cobalt, copper, lead, manganese, nickel and zinc in aqua regia extracts soil. Flame electrothermal atomic absorption spectrometric
BS 7755-3.1:1994 Soil quality. Chemical methods Determination of dry matter and water content on a mass basis by gravimetric method
BS 7755-3.4:1995 Soil quality. Chemical methods Determination of the specific electrical conductivity
BS 7755-3.6:1995 Soil quality. Chemical methods Determination of phosphorus. Spectrometric determination phosphorus soluble in sodium hydrogen carbonate solution
BS 7755-3.7:1995 Soil quality. Chemical methods Determination of total nitrogen. Modified Kjeldahl method
BS 7755-3.8:1995 Soil quality. Chemical methods Determination of organic and total carbon after dry combustion (elementary analysis)
BS 7755-3.9:1995 Soil quality. Chemical methods Extraction of trace elements soluble in aqua regia
BS 7755-5.2:1996 Soil quality. Physical methods Determination of water content in the unsaturated zone. Neutron depth probe method
BS 7764:1994 Specification for hexagon slotted nuts and castle nuts
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