-
-
Sulfide standard solution,50μg/mL, matrix: 0.025mol/L NaOH, uncertainty (k=2): 5%, 50ml
-
Sulfide standard solution,10μg/mL, matrix: 0.025mol/L NaOH, uncertainty (k=2): 1μg/mL, 20ml
-
Sulfide standard solution,10μg/mL, matrix: 0.025mol/L NaOH, uncertainty (k=2): 1μg/mL, 50ml
-
Sulfide standard solution,2μg/mL, matrix: 0.025mol/L NaOH, uncertainty (k=2): 0.1μg/mL, 20ml
-
Sulfide standard solution,2μg/mL, matrix: 0.025mol/L NaOH, uncertainty (k=2): 0.1μg/mL, 50ml
-
Sulfide standard solution,1μg/mL, matrix: 0.025mol/L NaOH, uncertainty (k=2): 0.1μg/mL, 20ml
-
Sulfide standard solution,1μg/mL, matrix: 0.025mol/L NaOH, uncertainty (k=2): 0.1μg/mL, 50ml
-
Sulfide water quality standard sample,1.5μg/mL, matrix: zinc sulfide colloid, 20ml
-
Phosphate buffer solution,, 500ml
-
Phosphate buffer solution,pH=2.0 (2020 version of CP, 8004 general rules), 500ml
-
Phosphate buffer solution,pH=2.5 (2020 version of CP, 8004 general rules), 500ml
стр.: