
SOIL QUALITY - DETERMINATION OF TOTAL CYANIDE (ISO 11262:2011)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
基本信息
標準編號: DIN ISO 11262 : 2012
發布時間:2012/1/1 0:00:00
標準類別:Standard
出版單位:German Institute for Standardisation (Deutsches Institut für Normung)
標準頁數:20
標準簡介
Applies to as-received (field-moist) samples and specifies two different procedures for the liberation of cyanide from the soil: - direct liberation of hydrogen cyanide using orthophosphoric acid (normative); - extraction with sodium hydroxide solution and subsequent liberation using orthophosphoric acid.