Indicator buffer tablets, 100 unit(s)
Dissolve one tablet in 50 ml water sample and bring to pH 11 with approx. 1 ml ammonia solution 30 % (art. CP17). Titrate with EDTA disodium salt volumetric solution (art. T136 or T137) from red to green.
excl. VAT. | 100 unit(s) per Pack Qty.
Art. No. 7649.1
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|Suitability as indicator||complies|
|Disintegration time (25 °C)||100 s|