VISOCOLOR® ECO VISOCOLOR® ECO presents a product group of colorimetric and titrimetric test kits which avoids hazardous substances wherever possible. With VISOCOLOR® ECO even water constituents with low limiting values can be determined with sufficient accuracy. All VISOCOLOR® ECO test kits are packed in…

VISOCOLOR® HE VISOCOLOR® HE test kits are highly sensitive colorimetric test kits. In comparison with conventional VISOCOLOR® kits, their sensitivity is enhanced by increasing the length of the test tube and the use of highly sensitive reagents. This technique allows a 10-fold to 100-fold increase of sensitivity. Each VISOCOL…

VISOCOLOR® ECO Potassium 德国MN钾测试剂/补充试剂931032/931232 Determination of potassium as turbidity measurement Potassium reacts with sodium tetraphenylborate to form a precipitate. Under defined conditions this turbidity can be used for…

VISOCOLOR® ECO Iron 1 德国MN铁测试剂/补充试剂931025/931225 Colorimetric determination of iron Triazine method: iron(II) ions react with a triazine derivative to form a violet complex. Iron(III) ions are reduced and thus also determined. …

VISOCOLOR® ECO Chromium 德国MN铬测试剂/补充试剂931020/931220 Colorimetric determination of chromium (VI) In sulphuric acid chromate ions react with diphenylcarbazide to form a red-violet dye. (Reaction basis according to DIN EN ISO 7393 G4…

VISOCOLOR® ECO Phosphate 德国MN磷酸盐测试剂/补充试剂931084/931284 Colorimetric determination of phosphate Ammonium molybdate reacts with phosphate ions to form phosphomolybdic acid which is reduced to molybdenum blue (Reaction basis accordin…

VISOCOLOR® ECO Hydrazine 德国MN肼测试剂/补充试剂931030/931230 Colorimetric determination of Hydrazine DIN method: In acidic solution hydrazine reacts with 4-dimethylaminobenzaldehyde to form a yellow/orange coloured compound. …

VISOCOLOR® ECO Chlorine dioxide 德国MN二氧化氯测试剂/补充试剂931021/931221 Colorimetric determination of chlorine dioxide in drinking water, reservoirs and disinfectant solutions At a pH value of 5-6 chlorine dioxide reacts with N,N-diethyl-1…

VISOCOLOR® ECO Zinc 德国MN锌测试剂/补充试剂931098/931298 Colorimetric determination of zinc At a pH of 8.5 – 9.5 zinc ions react with zincon to form a blue colour complex. Acidic, alkaline and buffered samples have to be adjusted to …

VISOCOLOR® ECO Hardness (total) 德国MN总硬度测试剂hardness/931029/931929 Titrimetric determination of total hardness Complexometric titration in accordance with DIN 38406 E3 and DIN 38409 H6. Copper(II) ions can delay or (in…