Tintometer Aqualytic AL100 Mode D'emploi page 31

Methods
GB
Notes:
1. Rinse all glassware with 1:1 Nitric acid solution first and then rinse with deionised water.
2. Water samples that contain more than 300 mg/l CaCO
RIO Ascorbic Acid Powder Pack add additionally 10 drops of Rochelle Salt Solution.
3. After addition of the reagent solution "Alkaline-Cyanide" a cloudy or turbid solution
may form in some water samples. The turbidity should disappear after adding the PAN
Indicator solution.
4. Water samples containing more than 5 mg/l iron should be allowed to react for at least
10 minutes.
5. Conversion:
mg/l MnO = mg/l Mn · 2.17
4
mg/l KMnO = mg/l Mn · 2.88
4
Reagent
Set
VARIO Ascorbic Acid
VARIO Alkaline-Cyanide
VARIO PAN Indicator
VARIO Rochelle Salt Solution
AL100_7a 05/2019
hardness: after adding the VA-
3
Form of reagent/Quantity
Powder Pack / 100
Liquid reagent / 60 ml
Liquid reagent / 60 ml
30 ml
Order-No.
4535090
4530640
31