| Conductivity Standard 0 (0-0.3) ?S/cm @25?C, Amber color glass bottle. | | 100 ml | |
| Conductivity Standard 0.5 ? 0.05 ?S/cm @25?C, Reference standard. | | 100 ml | |
| Conductivity Standard 1,000 ?S/cm @25?C, Traceable to NIST, Twin Neck. | | 500 ml | |
| Conductivity Standard 1.0 ? 0.05 ?S/cm @ 25?C, Reference standard. | | 100 ml | |
| Conductivity Standard 1.0 ? 0.05 ?S/cm @ 25?C, Reference standard. | | 250 ml | |
| Conductivity Standard 1.0 ? 0.05 ?S/cm @ 25?C, Reference standard. | | 500 ml | |
| Conductivity Standard 10 ? 1% ?S/cm @ 25?C, Traceable to NIST. | | 500 ml | |
| Conductivity Standard 10,000 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 100 ?S/cm @25?C, Traceable to NIST, Twin Neck. | | 500 ml | |
| Conductivity Standard 100000 ? 1% S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 111800 ? 1% ?S/cm @25?C, reference standard, , Twin neck. | | 500 ml | |
| Conductivity Standard 12.9 ? 1% ?S/cm @ 25?C, Reference standard. | | 500 ml | |
| Conductivity Standard 12880 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity standard 133 ?S/cm ? 1% ?S/cm @25?C, Reference standard, Twin neck. | | 500 ml | |
| Conductivity Standard 1410 ? 1% ?S/cm @ 25?C, Reference Standard. | | 500 ml | |
| Conductivity Standard 1413 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 147 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 15.0 ? 1% ?S/cm @ 25?C, Traceable to NIST. | | 500 ml | |
| Conductivity Standard 150000 ? 1% ?S/cm @25?C reference standard. | | 500 ml | |
| Conductivity Standard 16000 ? 1% ?S/cm @ 25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 2 ? 1% ?S/cm @25?C, Reference standard. | | 500 ml | |
| Conductivity Standard 20 ?S/cm @25?C, Traceable to NIST, Twin Neck. | | 500 ml | |
| Conductivity Standard 200 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 2000 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 20000 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 200000 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 23.8 ? 1% ?S/cm @25?C, Reference standard, Twin neck. | | 500 ml | |
| Conductivity Standard 25 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 26.6 ?S/cm ? 1% ?S/cm @25?C, Reference standard, Twin neck. | | 500 ml | |
| Conductivity Standard 300 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 3000 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 3500 ? 1% ?S/cm @ 25?C, Traceable to NIST. | | 500 ml | |
| Conductivity Standard 400 ? 1% ?S/cm @25?C, Traceable to NIST. | | 500 ml | |
| Conductivity Standard 5 ? 1% ?S/cm @25?C, Traceable to NIST. | | 500 ml | |
| Conductivity Standard 50 ?S/cm @25?C, Traceable to NIST, Twin Neck. | | 500 ml | |
| Conductivity Standard 500 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 5000 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 50000 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 84 ? 1% ?S/cm @25?C, Traceable to NIST, Twin neck. | | 500 ml | |
| Conductivity Standard 95 ? 1% ?S/cm @ 25?C, Reference standard. | | 500 ml | |
| Conductivity Standard 960 ? 1% ?S/cm @ 25?C, Reference standard. | | 500 ml | |
| Copper (Cu) AAS standard solution 1000 ppm in dilute HNO3. | 7440-50-8 | 100 ml | |
| Copper (Cu) AAS standard solution 1000 ppm in dilute HNO3. | 7440-50-8 | 250 ml | |
| TDS 250 mg/Lit @ 25?C, With NIST Traceable. | | 500 ml | |
| TDS Standard 1000 ? 1% mg/l @25?C. | | 500 ml | |
| TDS Standard 1382 ? 1% ppm @25?C. | | 500 ml | |
| TDS Standard 1500 ? 1% mg/l @25?C. | | 500 ml | |
| TDS Standard 300 ? 1% mg/l @25?C. | | 500 ml | |
| TDS Standard 500 ? 1% mg/l @25?C. | | 500 ml | |
| TDS standard, 100 ? 1% mg/l @25?C. | | 500 ml | |
| TDS standard, 150 ? 1% mg/l @25?C. | | 500 ml | |
| TDS standard, 50 ? 1% mg/l @25?C. | | 500 ml | |