02
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TDS standard solution #800 ppm (20mlx25) | Model HI 70080C |
TDS standard solution #1,382 ppm (230ml) | Model HI 7032M |
TDS standard solution #1,500 ppm (20mlx25) | Model HI 70442P |
TDS standard solution #6.44 ppt (20mlx25) | Model HI 70038P |
TDS standard solution #12.41 ppt (230ml) | Model HI 7036L |
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