COMBINED SEVEN ANION STANDARD II -7 COMPONENTS (Fluorides (F-) 20mg/L; Chlorides (Cl-) 100mg/L; Nitrites (NO2-) 100mg/L; Bromides (Br-) 100mg/L; Nitrates (NO3-)100mg/L; Phosphates (PO4)3- 200mg/L; Sulphates (SO4)2- 100mg/L in H2O)-traceable to NIST - 10

COMBINED SEVEN ANION STANDARD II -7 COMPONENTS (Fluorides (F-) 20mg/L; Chlorides (Cl-) 100mg/L; Nitrites (NO2-) 100mg/L; Bromides (Br-) 100mg/L; Nitrates (NO3-)100mg/L; Phosphates (PO4)3- 200mg/L; Sulphates (SO4)2- 100mg/L in H2O)-traceable to NIST - 100 ML