VISOCOLOR® ECO Sulphite
德國MN亞硫酸鹽測試劑Sulphite/滴定法931095
Titrimetric determination of Sulphite
Titrimetric determination with addition of iodine solution and reverse titration of unused iodine with sodium thiosulphate.
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VISOCOLOR® ECO Nitrite
德國MN亞硝酸測試劑/補(bǔ)充試劑931044/931244
Colorimetric determination of nitrite
In acidic solution sulphanilic acid or sulphanilamide are diazotised with nitrite. The diazonium salt is then coupled with an aromatic amin…
VISOCOLOR® ECO DEHA
德國MN DEHA測試劑/補(bǔ)充試劑931024/931224
Colorimetric determination of DEHA
Measurement of the reduction properties of DEHA for iron(III) ions and determination of the iron(II) ions formed.
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VISOCOLOR® ECO Carbonate hardness
德國MN碳酸鹽硬度測試劑931014
Titrimetric determination of carbonate hardness
The determination is preformed as titration with hydrochloric acid against a mixed indicator, which changes colour at pH 4.5. (R…
VISOCOLOR® ECO Sulphide
德國MN硫化物測試劑/補(bǔ)充試劑931094/931294
Colorimetric determination of Sulphide
N,N-Dimethyl-1,4-phenylene diamine reacts with hydrogen sulphide to form an unstable compound which rearranges to leucomethylene blue. Ox…
VISOCOLOR® ECO Nitrate
德國MN硝酸測試劑/補(bǔ)充試劑931041/931241
Colorimetric determination of nitrate
Nitrate is reduced to nitrite with an inorganic reducing agent. Nitrite is then diazotised with an aromatic amine and simultaneously coupled…
VISOCOLOR® ECO Cyanuric acid
德國MN氰尿酸濁度測試劑/補(bǔ)充試劑931023/931223
Turbidity measurement of cyanuric acid
Cyanuric acid forms with a triazine derivative a fine precipitate. The turbidity caused by this reaction can be measured visually …
VISOCOLOR® ECO Calcium
德國MN鈣測試劑/補(bǔ)充試劑/滴定法931012
Titration test kit for determination of calcium
Complexometric titration after precipitation of the magnesium salts. (Reaction basis according to DIN 38406-3 E3)
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VISOCOLOR® ECO Sulphate
德國MN硫酸測試劑/補(bǔ)充試劑931092/931292
Determination of sulphate
Sulphate reacts with barium ions forming a precipitate of barium sulphate. Under defined conditions this turbidity can be used for concentration measur…
VISOCOLOR® ECO Nickel
德國MN鎳測試劑/補(bǔ)充試劑931040/931240
Colorimetric determination of nickel
In ammonia solution nickel ions react with diacetyldioxime after oxidation with bromine to form a reddish-brown dye. Insoluble nickel compounds…
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