All Inorganic Standards are Certified Reference Materials (CRM), produced and calibrated under a quality system that is: ISO 9001 certified accredited according to ISO/IEC 17025 - Testing accredited according to ISO 17034 - Reference Material Producer - Inorganic CRM > CRM equivalent to ... > Standards Equivalent to Metrohm - Product: Mixed Anions Standard - 7 components: 100mg/l each of Chlorides (Cl-) ; Fluorides (F-) ; Sulphates (SO42-) ; Nitrates (NO3-) ; Nitrites (NO2-) ; Bromides (Br-) ; Phosphates (PO43-) in Water - Volume: 100ml bottle - Shelf life: 36 months - Storage: Store under normal laboratory conditions, at temperatures between 15°C to 25°C - CRM, ISO 17034 and ISO 17025 - Ref: EQ 0089 100 This item is not kept in stock: Manufacture is after order date for this product. Delivery time is 2 to 4 weeks and products are always shipped with the full available shelf life. Safety Data Sheets: