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Visit UNICEF’s website to find about their extensive supply catalogue. The catalogue is likely primarily intended for health workers and other humanitarians. The following is a partial list of the testing kits UNICEF recommends and taken directly from their website: 1) 0005500 - Arsenic testing kit (liquid reagents) This kit is manufactured by Merck KGaA, Germany. • Manufacturer reference: Merckoquant®, Arsenic (sensitive), 1.17926.0001 As.

• Measuring range (color scale graduation): 0.01, 0.025, 0.05, 0.1, 0.5 mg/liter As III/V. This is equivalent to 10, 25, 50, 100, 500 ppb (parts per billion).

• The kit does not allow for the removal of the sulphide interference.

• The kit contains the following: two reagents (zinc powder and acid in liquid form supplied in two dropper bottles), test strips, reaction test tube with a slotted stopper, a 10ml. measuring syringe for the water sample, a measuring spoon for the zinc powder and an instruction sheet in four languages (English, French, Spanish and German).

• Sufficient reagents and strips are provided to perform 100 tests.

2) 0005510 - Arsenic testing kit (powdered reagents) This kit is manufactured by Hach Company, Colorado, USA. • Manufacturer reference: Arsenic test kit 28000-00.

• Measuring range (color scale graduation): 0.01, 0.03, 0.05, 0.07, 0.3, 0.5 mg/liter As III/V. This is equivalent to 10, 30, 50, 70, 300, 500 ppb. • All the reagents are packed in powdered form and four of these reagents are pre-measured and individually packed in single use powder pillows.

• The kit contains the following: five reagents, test strips, two reaction vessels with special caps and instructions in English.

• Sufficient reagents and strips are provided to perform 100 tests.

• A replacement kit for reagents only is available (manufacturer ref. no. 27999-00).

3) 0005520 - Arsenic test kit, highly sensitive This kit is manufactured by Merck KGaA, Germany. • Manufacturer reference: Merckoquant®, Arsenic (highly sensitive), 1.17927.0001 As.

• Measuring range (color scale graduation): 0, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5 mg/liter, which is equivalent to 0, 5, 10, 25, 50, 100, 250, 500 ppb.

• An oxidizing agent is provided to remove the effect of sulphide interference.

• The kit contains the following: two powdered reagents bottles, oxidizing agent in a dropper bottle, a reaction vessel with a special cap, two measuring spoons for the reagents and instructions in four languages (English, French, Spanish and German).

• Sufficient reagents and strips are provided to perform 100 tests.

4) 0005521 - EZ Arsenic test kit This kit is manufactured by Hach Company, Colorado, USA. • Manufacturer reference: EZ Arsenic test kit 28228-00.

• An optional step is included to remove the interference of sulphide by scrubbing the gas stream through a cotton ball soaked with lead acetate 10%.

• The two reagents are pre-measured and individually packed in single use powder pillows. The lead acetate is supplied in a dropper bottle.

• Measuring range (color scale graduation): 0, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5 mg/litre, which is equivalent to 0, 10, 25, 50, 100, 250, 500 ppb.

• The kit contains the following: Two reagents, optional lead acetate and cotton, two reaction vessels with a special cap, a dilution tube, a waste disposal bag and instructions in English.

• Sufficient reagents and strips are provided to perform 100 tests.


• The manufacturer offers the same kit with instructions in both English and Bangla languages (ref. no. 28178-00)

• A replacement kit for reagents only is available (manufacturer ref. no. 28232-00).

5) 0005522 - Visual Arsenic Detection Kit, 200 This kit is manufactured by Wagtech International Ltd. Berkshire, UK. • Manufacturer reference Wag-WT0950, Visual Arsenic Detection Pack-200

• The kit features a reaction vessel with a unique tri-filter cap, which removes excess arsine gas as well as any hydrogen sulphide which may also be given off as a by-product of the reaction.

• Measuring range (color scale graduation): <10, 20-40, 50, 60-80, 100, 100-200, 200-300, 300-400, 400-500µg / liter (ppb).

• The results can be compared visually with the color scale or the filter holder inserted in the photometer of the digital Arsenator (UNICEF item no. 0005523) to get a digital readout of the results.

• The kit contains the following: two reagents (one in tablet form and the other in pre-measured individually packed sachets), a reaction vessel, a dilution graduated tube, four filter holders for the collection and detection of arsenic, four filter holders (scrubber) for the elimination and removal of any arsine gas, four hydrogen sulphide filters, a color comparison chart, and waste disposal bags.

• Sufficient tablets, powder sachets and filters are provided to perform 200 tests.

• A set of reagents and consumables to perform 200 additional tests is available (manufacturer ref. no. Wag-WT0940).

6) 0005523 - Digital Arsenator – (mentioned earlier) This kit is manufactured by Wagtech International Ltd. Berkshire, UK. • Manufacturer reference: Wag-WT0900, Wagtech Digital Arsenator.

• The Digital Arsenator is a fully portable arsenic detection system featuring a portable battery-operated digital photometer capable of giving accurate digital readings of the discoloration of the filters as a result of the reaction of the two reagents with the arsenic in water. It gives a direct readout in (ppb) of arsenic in water specifically within the critical range of 2 µg/ liter (ppb) to 100 µg/ liter (ppb). The photometer includes a timing device to monitor the length of the chemical reaction.

• The kit contains the following: two reagents (one in tablet form and the other in pre-measured individually packed sachets), a digital photometer, a reaction vessel, a dilution graduated tube, five filter holders for the collection and detection of arsenic, five filter holders (scrubber) for the elimination and removal of any arsine gas, ten hydrogen sulphide filters, a colors comparison chart, waste disposal bags and a spare battery for the photometer.

• Sufficient tablets, powder sachets and filters are provided to perform 420 tests.

• A set of reagents and consumables to perform 200 additional tests is available (manufacturer ref. no. Wag-WT0940).

• As an accessory for the Digital Arsenator, a multi-pack generator is available with enough reaction vessels and filter holders to enable five tests to be run simultaneously (manufacturer ref. no. Wag-WT0920, Arsenic Generator Multi-pack).

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