Quotation Are Invited For Supply And Delivery Of Chemlab Chemicals

Quotation are invited for Supply and Delivery of ChemLab Chemicals. 1. Conductivity standard 1412 uS/cm certified reference material 500ml with COA 3.00 2. pH4 ±0.02 buffer solution, NIST, with a certified value at 25°C and COA 10.00 3. pH7 ±0.02 buffer solution, NIST, with a certified value at 25°C and COA 10.00 4. pH10 ±0.02 buffer solution, NIST, with a certified value at 25°C and COA 10.00 5. pH10 ±0.02 buffer solution, NIST, with a certified value at 25°C and COA. Different batch or supplier 5.00 6. Sodium Chloride 250g, >99% pure with COA 1.00 7. Chloroform 2,5L with COA 2.00 8. Phosphoric Acid 85% 500mL with COA 1.00 9. Chloramine T Trihydrate, 250g with COA 1.00 10. Copper (II) Sulfate Pentahydrate, 250g with COA 1.00 11. Acetone, 2.L with COA 3.00 Tender Link : https://www.umhlathuze.gov.za/index.php/careers/quotations/rfq-supply-and-deliver-chemlab-chemicals-by-30-july-2026/download