Obpva - Onderstepoort Biological Products Limited
Potassium Hydroxide
To procure Potassuim hydroxide Pellets for Raw Material Department
Tender Close Date:
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Last updated on 04/05/2026.
Potassium Hydroxide
To procure Potassuim hydroxide Pellets for Raw Material Department
Tender Close Date:
Supply and deliver laboratory consumables
Request for quotation of goods and services 1 Sodium chloride granulated 500g only granulated allowed bottles 40 2 Potassium hydroxide pellets 500g only pellets allowed bottles 40 3 Sodium hypochlorite solution 14 active chlorine 500ml bottles 40 4 Hydrogen peroxide solution 30 ww 1l bottles 10 5 Iron ii sulfate hydrate 87 extra pure 25kg bags 3 6 Zinc chloride reagent grade 98 1kg bags 5 7 Nile red powder 100mg bottles 4 8 Microcentrifuge tube capacity 1. 5 ml, natural polypropylene, pack of 500 packs 6 9 Microcentrifuge tube, 5. 0 ml, colourless, packs of 100 tubes packs 14 10 Microcentrifuge tubes, 15 ml, packs of 200 tubes packs 8 11 Microcentrifuge tube capacity 1. 5 ml, natural polypropylene, pack of 500 each packs 8 12 Toughtags microcentrifuge tube labels yellow, roll of **** labels, l × w 1. 28 in. × 0. 50 in. rolls 3 13 Centrifuge tubes, 50 ml, 30 x 115 mm, conical v bottom, with graduations 500ea boxes 6 14 Gum rubber laboratory tubing i. d. × o. d. 14 in. × 1 in. meter 10 15 Gum rubber laboratory
Tender Close Date:
Provision of laboratory testing services
provision of laboratory testing services and analysis of drinking water quality and waste water quality for 3 months ph at 250c electrical conductivity at 250c turbidity free chorine colour calcium as ca magnesium as mg sodium as na magnesium hardness total hardness alkalinity potassium as k chloride as cl fluoride as f sulphate as so4 total dissolved solids total suspended solids nitrates as no3 iron as fe aluminium as al e. coli total coliforms count heterotrophic count faecal coliform ph at 250c electrical conductivity sodium as na chloride as cl fluoride as f sulphate as so4 total dissolved nitrates as no3 nitrites as no2 ammonia as nh3 chemical oxygen phosphate as po4 total suspended solids as tss total coliforms count faecal coliform
Provision of laboratory testing services and analysis of drinking water quality and waste water quality for 3 months.
Provision of laboratory testing services and analysis of drinking water quality and waste water quality for 3 months. ph at 250c ph unit electrical msm conductivity at 250c turbidity ntu free chorine mgl colour mgl calcium as ca mgl magnesium as mg mgl sodium as na mgl magnesium mgl hardness noupoort calcium hardness mgl enoch total hardness mgl mthethwa reservoir alkalinity mgl eureka clinic fritz hospital potassium as k mgl chloride as cl mgl fluoride as f mgl sulphate as so4 mgl total dissolved mgl solids total suspended mgl solids nitrates as no3 mgl iron as fe mgl aluminium as al mgl e. coli cfu10 0ml total coliforms cfu10 0ml heterotrophic count cfu10 0ml faecal coliform cfu10 0ml subtotal to be carried forward to next page sampling quantities determinant unit rates amount points for 3 months subtotal to be carried forward from previous pagewastewaterseweragecolesberg ph at 250c ph unit colesberg wwtw infow electrical msm monthly conductivity at 250c sodium as na mgl colesberg wwtw outflow chloride as c
Tender Close Date:
Supply delivery and offloading of water treatment chemicals and auxiliary equipment for all water and wastewater treatment plants for a period of 36 months
Supply and delivery of chemicals for water treatment primary polyemric coagulant for low turbid raw rkg **** secondary polyemric coagulant for high turbid rkg **** water chlorine gas 70 kg cylinders rkg **** chlorine gas 990 kg cylinders rkg **** brown lime in 25 kg bags rkg **** white lime in 25 kg bags rkg **** sodium hypochlorite 11 to 15 mm 25l polycxans rkg **** calcium hypochlorite granules in 25 kg drums rkg **** calcium hypochlorite tablets in 25 kg drums rkg **** potassium permanganate granules in 25 kh drums rkg **** ferric chloride in **** flobins rkg **** aluminium sulphate 45 mm liquid in 25l polycans rkg **** powered activated carbon pac in maxi bags rkg **** free chlorine reagents pack of 100 rbox 100 total chlorine reagents pack of 100 rbox 100 ph buffer solution no. 4 in 500ml r500ml 144 ph buffer solution no. 7 in 500ml r500ml 144 ph buffer solution no. 10 in 500ml r500ml 144 analytical quality control solution aqc and aqc r500ml 144 chart for phanalytical quality control so
Tender Close Date:
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