Reference Cr⁶⁺ and heavy metals quality control in soil BWS0426-2016SDSCOA 0.46mg/kg16.0mg/kg4.2mg/kg+1 View product
Reference Petroleum hydrocarbons quality control (C₁₀-C₄₀) in soil BWS0432-2016SDSCOA Not specified3320mg/kg View product
Reference Quality control samples for analysis of available components in alkaline soil BWS0435-2016COA 8.547.92 View product
Reference Quality control samples for analysis of effective components in acidic soil BWS0438-2016COA 5.276.41 View product
Reference Perfluorooctanoic acid(PFOA) in sedimentary soil BWS0505-2016CAS 335-67-1SDSCOA View product
Reference Water soluble fluorinated quality control in soil BWS0086-2016CAS 7681-49-4SDSCOA View product
Reference Pb quality control in soil BWS0100-2016CAS 7439-92-1SDSCOA 30.53mg/kg99.60mg/kg View product
Reference Cation exchange capacity quality control in soil BWS0007-2016COA 9.89cmol(+)/kg15.85cmol(+)/kg View product
Reference Cation exchange capacity and organic matter quality control in soil BWS0013-2016COA View product
Reference Organic carbon quality control in soil BWS0014-2016SDSCOA 25.20g/kg9.60g/kg12.84g/kg View product
Reference Organic matter quality control in soil BWS0010-2016SDSCOA 16.60g/kg35.47g/kg22.13g/kg View product
