Test strips,Total hardness,range: 5 -

Merck

For Measuring range PK
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Purchase order number
9129916
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Cat. No. For Measuring range PK
10005048 Copper 10 to 300 mg/l Cu2+ 100
10005049 Iron 3 to 500 mg/l Fe2+/3+ 100
10005050 Nickel 10 to 500 mg/l Ni2+ 100
10005051 Nitrite 0.1 to 3 g/l NO2- 100
10005053 Peroxide 0.5 to 25 mg/l H2O2 100
10005055 Chromate 3 to 100 mg/l CrO42- 100
10005056 Sulphite 10 to 400 mg/l SO32- 100
10005062 Ascorbic acid 50 to 2000 mg/l 100
10005063 Ammonia 10 to 400 mg/l NH4+ 100
10005064 Total hardness 3 to 21 °dH 100
10005069 Formaldehyde 10 to 100 mg/l HCHO 100
10005070 Cyanide 1 to 30 mg/l CN- 100
10005080 Peracetic acid 5 to 50 mg/l 100
9129916 Total hardness 5 to 25 °dH 100
9129919 Total hardness 3 to 21°dH 1000

Other tests on request.