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List of reference Material (In-Organic)
| Sl. No. |
Name of reference material
|
Source |
Date of expiry/ validity |
Traceability |
| 1 |
Calcium Carbonate |
Merck KGaA |
29/02/08 |
NIST |
| 2 |
Potassium Dichromate |
Merck KGaA |
31/08/06 |
NIST |
| 3 |
Sodium Chloride |
Merck KGaA |
30/06/07 |
NIST |
| 4 |
Zinc |
Merck KGaA |
30/11/07 |
NIST |
| 5 |
Sodium Carbonate |
Merck KGaA |
31/05/07 |
NIST |
| 6 |
Potassium Hydrogen Phthalate |
Merck KGaA |
31/08/07 |
NIST |
| 7 |
Cadmium |
Merck KGaA |
28/02/07 |
NIST |
| 8 |
Mercury |
Merck KGaA |
31/05/07 |
NIST |
| 9 |
Selenium |
Merck KGaA |
31/07/07 |
NIST |
| 10 |
Nickel |
Merck KGaA |
31/01/07 |
NIST |
| 11 |
Iron |
Merck KGaA |
31/03/07 |
NIST |
| 12 |
Copper |
Merck KGaA |
28/02/07 |
NIST |
| 13 |
Magnesium |
Merck KGaA |
31/07/07 |
NIST |
| 14 |
Aluminum |
Merck KGaA |
30/04/07 |
NIST |
| 15 |
Manganese |
Merck KGaA |
30/06/07 |
NIST |
| 16 |
Chromium |
Merck KGaA |
31/03/07 |
NIST |
| 17 |
Lead |
Merck KGaA |
30/04/07 |
NIST |
| 18 |
Arsenic |
Merck KGaA |
31/08/06 |
NIST |
| 19 |
pH Buffer Solution 4.0 |
Qualigens |
28/12/06 |
NIST |
| 20 |
pH Buffer Solution 7.0 |
Qualigens |
28/10/06 |
NIST |
| 21 |
pH Buffer Solution 10.0 |
Qualigens |
28/08/06 |
NIST |
| 22 |
Nitrate Standard Solution |
Merck KGaA |
31/03/08 |
NIST |
| 23 |
Nitrite Standard Solution |
Merck KGaA |
28/02/08 |
NIST |
| 24 |
Cyanide Standard Solution |
Merck KGaA |
31/03/08 |
NIST |
| 25 |
Fluoride Standard Solution |
Merck KGaA |
31/03/08 |
NIST | |
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