GB14759-20104.2理化指标:符合表2的规定。表2理化指标项目指标检验方法牛磺酸(C2HNOS以干基计),w/%98.5101.5附录A中A.4电导率/(Scm-1)150附录A中A.5pH4.15.6附录A中A.6易炭化物通过试验附录A中A.7灼烧残渣,w/%0.1附录A中A.8干燥减量,w/%0.2附录A中A.9砷(As)/(mg/kg)2附录A中A.10澄清度试验通过试验附录A中A.11氯化物(以Cl计)w/%0.02附录A中A.12硫酸盐(以SO4计),w/%0.02附录A中A.13铵盐(以NH+计)+w/%0.02附录A中A.14重金属(以Pb计)/(mg/kg)10附录A中A.152