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| 1 | Arsenic Standard Solution 1000 mg/lit, traceable to NIST |
| 2 | Fluoride Standard Solution 1000 mg/lit, traceable to NIST |
| 3 | Nitrate Standard Soluble traceable to SRM from NIST NaNO3 in H2O 1000 mg/l NO3¯ |
| 4 | Iron Standard Solution 1000 mg/lit, traceable to NIST |
| 5 | Sodium Carbonate volumetric standard, SRMI for acidimetry, traceable to NIST SRM |
| 6 | Sodium Chloride volumetric standard, SRM for argentometry, traceable to NIST SRM |
| 7 | Buffer Solution pH 4, traceable to NIST, colour coded (Parameter - pH) |
| 8 | Buffer Solution pH 7, traceable to NIST, colour coded(Parameter - pH) |
| 9 | Buffer Solution pH 10, traceable to NIST, colour coded(Parameter - pH) |
| 10 | Turbidity 1000 NTU Calibration Standard-Formazin, Reference Standard, traceable to NIST. |
| 11 | Total Dissolved Solids 1000 mg/L Calibration Standard, Certified Reference Material, traceable to NIST. |
| 12 | Calcium Carbonate volumetric standard, secondary reference material for complexometry, traceable to NIST Standard Reference Material (SRM) CertiPUR® (Parameter - Total Hardness) |
| 13 | Calcium Carbonate volumetric standard, secondary reference material for complexometry, traceable to NIST Standard Reference Material (SRM) CertiPUR® (Parameter - Ca-Hardness) |
| 14 | Calcium Carbonate volumetric standard, secondary reference material for complexometry, traceable to NIST Standard Reference Material (SRM) CertiPUR®(Parameter - Mg-Hardness) |
| 15 | Sulfate Standard Solution traceable to SRM from NIST Na2SO4 in H2O 1000 mg/l SO4²? |
