Cyanide Analysis with the CNSolution 3100

Transcription

1 Cyanide Analysis with the CNSolution 3100

2 CNSolution 3100 Rapidly Analyze Cyanide with Confidence in Results Free Cyanide Available Cyanide Total Cyanide Eliminate Time Consuming, Error Causing Distillations Expand Capability to Colorimetric FIA and SFA

3 Flow Solution 3100 Flow Injection Analyzer Colorimetric detector added it becomes the FS 3100 FIA analyzer All FS 3100 methods NO 3 -N NH 3 -N PO 4 TKN

4 OIA CNSolution Detector Gas Diffusion and Mixing Flow-cell

5 Advantages - CNSolution 3100 Free CN WAD CN CATC Available CN GD- Amperometry Distillation/ Colorimetry Distillation/ Colorimetry GD- Amperometry ASTM D7237 ASTM D2036 or SM4500 ASTM D2036 or SM4500 OIA 1677 or ASTM D6888 One Instrument multiple methods

6 Advantages - CNSolution 3100 Total Cyanide Distillation/ Colorimetry Distillation / GD- Amperometry No Distillation / GD- Amperometry EPA ASTM D7284 OIA 1678 (ASTM D ) One Instrument multiple methods

7 Lowest Operating Cost Dollars per Year Consumables + labor per year MicroDist Midi Dist CNSolution

8 Samples per 8 hour Shift Highest Throughput Midi Dist Micro Dist CNSolution

9 Automated Aquatic Free CN Method Description Measurement ASTM D 7237 FIA Gas Diffusion- Amperometry The only automated Free Cyanide Method

10 ASTM D Buffer Same Cartridge as OIA 1677

11 Accurate and Easy to Use

12 Amenable Cyanide CATC Method Number Description Measurement SM 4500-CN G Alkaline Chlorination/ Manual Distillation Colorimetry ASTM D 2036 Alkaline Chlorination/ Manual distillation Colorimetry, Gas Diffusion - Amperometry

13 WAD Cyanide Method Number SM 4500-CN I ASTM D 2036 Description Buffered ph 4.5 manual Distillation Buffered ph 4.5 manual distillation Measurement Colorimetry Colorimetry, Gas Diffusion - Amperometry

14 Available Cyanide Method Number OIA 1677 ASTM D 6888 Description Ligand Exchange / Flow Injection Analysis Ligand Exchange / Flow Injection Analysis Measurement Gas Diffusion - Amperometry Gas Diffusion - Amperometry No Distillation Required

15 Sulfide Abatement GD Amperometry = No Sulfide Interference

16 Quantitative Recovery

17 Precise and Accurate Results

18 Method Interferences CATC WAD OIA 1677 N-organics SCN,NH 3,NO 2 Excessive Iron Cyanide Concentration Dependent None S 2 O 3, H 2 O 2 Concentration Dependent

19 Analysis Times Compared CATC WAD OIA 1677 Sample Preparation 2 distillations 2 3 hours 1 distillation 2 3 hours No distillation Analysis 1 2 minutes 1 2 minutes 1 2 minutes Total Time 3 4 hours 3 4 hours 1 2 minutes

20 Samples per hour More Samples per Hour Distillation Diffusion 20 0 Gas Diffusion = More Samples

21 Benefits of OIA 1677 / ASTM D No distillation (eliminates 1 4 hours preliminary sample treatment) Low MDL (0.5 ppb) No Interferences High Throughput (up to 90 samples per hour) Ease of Operation, very simple chemistry.

22 Easy to Use and Understand No pyridine Acid Reagent OIA 1677, ASTM D or ASTM D

23 Total Cyanide Methods Manual Distillation Method Number Description Measurement SM 4500-CN C Manual Macro Distillation Manual colorimetry / Mg Cl 2 ISE ASTM D 2036 Manual Macro Distillation MgCl 2 Manual colorimetry, ISE, GD-amperometry, IC EPA Midi Distillation MgCl 2 ASTM D 7284 Automated Colorimetry Gas Diffusion - Midi / Micro Distillation Amperometry MgCl 2

24 GD-Amperometry Equivalent to Colorimetry

25 Total Cyanide Automated Methods Method Number ASTM D4374 (Kelada 01) EPA OIA 1678/ ASTM D Description High power UV- Auto distillation Alkaline ph Low power UV- Auto distillation ph <2 Low power UVpH <2 Measurement Automated Colorimetry Automated Colorimetry Gas Diffusion - Amperometry

26 No Distillation vs. Auto-Distillation

27 No Distillation vs. Manual Distillation OIA 1678/ASTM D UV GD- Amperometry EPA Semi-automated Colorimetry

28 ASTM D vs. ASTM D

29 Comparison of Total CN methods ASTM D7284 ASTM D7511 Sample Preparation 2 3 hour distillatio n 1 3 hour distillation No distillation Analysis 1 2 minutes 1 2 minutes 1 2 minutes Total Time 3 4 hours 2 4 hours 1 2 minutes

30 Easy to Use and Understand No pyridine OIA 1678/ASTM D7511

31 Comparison of Kelada and OIA 1678 Kelada 01 ASTM D7511 Pump Tubes 15 5 Reagents Pyridine No Pyridine Distillation Yes No SCN Interaction % %