电导率随浓度变化.pdf

1、 TABLE OF CONDUCTIVITY VS CONCENTRATION FOR COMMON SOLUTIONS Conductivity (G) in microsiemen/centimetre (micromho/cm) at 25C (77F) (a) HAc data at 18C TABLE OF CONDUCTIVITY VS CONCENTRATION FOR COMMON SOLUTIONS Conductivity (G) in microsiemen/centimetre (micromho/cm) at 25C (77F) CONDUCTIVITY ORDERI

2、NG GUIDE Effective October 3, 1999 Supersedes August 1, 1986 Weight % ppm mg/litre Sodium Chloride, NaCI Sodium Hydroxide, NaOH Hydrochloric Acid, HCI Sulfuric Acid, H 2 SO 4 Nitric Acid, HNO 3 Hydrofluoric Acid, HF Acetic Acid (a), CH 3 COOH 0.0001 0.0003 0.001 0.003 0.01 0.03 0.1 0.3 1.0 3.0 5.0 1

3、0.0 20.0 30.0 40.0 50.0 75.0 100.0 1 3 10 30 100 300 1 000 3 000 10 000 Rarely Used Rarely Used Rarely Used Rarely Used Rarely Used Rarely Used Rarely Used Rarely Used Rarely Used 2.2 6.5 21.4 64 210 617 1 990 5 690 17 600 48 600 78 300 140 000 226 000 Saturated Saturated Saturated Saturated Saturat

4、ed 6.2 18.4 61.1 182 603 1 780 5 820 16 200 53 200 144 000 223 000 358 000 414 000 292 000 191 000 150 000 Saturated Saturated 11.7 35.0 116 340 1 140 3 390 11 100 32 200 103 000 283 000 432 000 709 000 850 000 732 000 Saturated Saturated Saturated Saturated 8.8 26.1 85.6 251 805 2 180 6 350 15 800

5、48 500 141 000 237 000 427 000 709 000 828 000 770 000 620 000 182 000 10 000 6.8 20 67 199 657 1 950 6 380 18 900 60 000 172 000 275 000 498 000 763 000 861 000 820 000 717 000 340 000 50 000 10 30 99 290 630 1 490 2 420 5 100 11 700 34 700 62 000 118 000 232 300 390 000 N/A N/A 7.8 (0C) 4 (0C) 4.2

6、 7.4 15.5 30.6 63 114 209 368 640 1 120 1 230 1 530 1 600 1 405 1 080 740 168 1 Point of Maximum Solubility - 26% About 50% 37% - - - - Point(s) of Maximum Conductivity - 26% 16% 18.5% 31% 92.5% 31% About 35% 19% Maximum Conductivity - 244 000 412 000 852 000 830 000 139 000 862 000 N/A 1 600 Weight

7、 % ppm mg/litre Phosphoric Acid, H 3 PO 4 Ammonium Hydroxide, NH 4 OH Ammonia, NH 3 Calcium Chloride, CaCI2 Potassium Nitrate, KNO 3 Cupric Sulfate, CuSO 4 Carbon Dioxide, CO 2 Sulfur Dioxide, SO 2 0.0001 0.0003 0.001 0.003 0.01 0.03 0.1 0.3 1.0 3.0 5.0 10.0 20.0 30.0 40.0 50.0 75.0 100.0 1 3 10 30

8、100 300 1 000 3 000 10 000 Rarely Used Rarely Used Rarely Used Rarely Used Rarely Used Rarely Used Rarely Used Rarely Used Rarely Used 3.9 11.5 36.5 107 342 890 2 250 4 820 10 500 23 000 35 000 60 700 123 000 182 000 223 000 231 000 135 000 48 000 EST 4.1 8.3 17 31 58 102 189 329 490 790 958 1 115 9

9、68 725 460 285 Saturated - 6.6 14 27 49 84 150 275 465 810 1 110 1 115 1 120 435 Saturated Saturated Saturated Saturated 1 2.4 6.7 24 71 230 670 2 080 5 900 18 000 50 000 74 000 130 000 195 000 190 000 120 000 Saturated Saturated Saturated 1.3 4 13 39 130 390 1 300 3 700 11 500 32 000 52 000 95 500

10、171 000 Saturated Saturated Saturated Saturated Saturated 0.6 1.8 6 18 58 160 500 1 450 4 600 13 000 21 500 36 500 Saturated Saturated Saturated Saturated Saturated Saturated 1.2 1.9 3.9 6.8 12 20 39 Saturated Saturated Saturated Saturated Saturated Saturated Saturated Saturated Saturated Saturated

11、1 6.4 18 54 150 450 1 200 3 600 7 900 17 200 32 700 42 000 61 000 Saturated Saturated Saturated Saturated Saturated 1 Point of Maximum Solubility - - 13.6% (1 atmosphere) 28% (1 atmosphere) 46% 22% 17.5% 0.15% (1 atmosphere) 11.7% (1 atmosphere) Point of Maximum Conductivity - 47% 2.67% 5.5% 24% 22%

12、 17.5% 0.15% 11.7% Maximum Conductivity - 234 000 1 120 (18C) 1 120 (18C) 204 000 185 000 52 000 48 66 000All Prices EXW Foxboro, Massachusetts Price Sheet Subject to change without notice. 6-3PREF, Page 1 (a) ppm and G.P.G. expressed as sodium chloride. (Corresponding figures for calcium carbonate

13、are obtained by multiplying NaCIvalues by 0.856.) CONVERSION CHART Effective October 3, 1999 Supersedes September 15, 1985Conductance Micromho/cm 25C (77F) Resistance Ohm-cm 25C (77F) Dissolved Solids (ppm) 0.055 0.056 0.063 0.071 0.083 0.100 0.125 0.167 0.2 0.25 0.5 1 2 4 6 8 10 12 14 16 18 20 22 2

14、4 26 28 30 40 50 60 70 80 100 120 140 160 180 200 18 300 000 18 000 000 16 000 000 14 000 000 12 000 000 10 000 0008 000 0006 000 0005 000 0004 000 0002 000 0001 000 000500 000250 000166 667125 000100 00083 33371 42862 50055 55550 00045 45441 66638 46135 71433 33325 00020 00016 66714 28612 50010 000

15、8 3337 1436 2505 5565 000 0 0.00042 0.00363 0.00776 0.0133 0.0210 0.0325 0.052 0.067 0.090 0.206 0.44 0.90 1.8 2.7 3.7 4.6 5.5 6.4 7.4 8.3 9.2 10.1 11 12 13 14 19 23 28 32 37 47 57 66 75 85 91Conductance Micromho/cm 25 C (77F) Resistance Ohm-cm 25C (77F) Dissolved Solids (a) (ppm) Grains per Gallon

16、(a) (G.P.G.) 250 300 400 500 600 700 800 900 1 000 1 500 2 000 3 000 4 000 5 000 6 000 7 000 8 000 9 000 10 000 20 000 4 000 3 333 2 500 2 000 1 667 1 429 1 250 1 111 1 000 667 500 333 250 200 167 143 125 111 100 50 117 140 190 237 288 341 391 445 495 747 1 000 1 520 2 065 2 650 3 150 3 756 4 270 4 850 5 400 10 800 6.8 8.2 11 14 17 20 23 26 29 44 58 89 121 155 184 219 249 283 315 631All Prices EXW Foxboro, Massachusetts Price Sheet Subject to change without notice. 6-3PREF, Page 2