Lovibond Tintometer MD 100 Manual De Instrucciones página 81

Triazole PP / M388
Triazole PP
1 - 16 mg/l Benzotriazole or Tolyltriazole
Catalyzed UV Digestion
Material
EN
Required material (partly optional):
Reagents
VARIO Triazole Rgt Powder Pack F25
Vario Rochelle Salt Solution, 30 ml
The following accessories are required.
Accessories
UV Pen Lamp, 254 nm
Hazard Notes
While the UV lamp is in operation, UV safety goggles must be worn.
Sampling
1. Measure the water sample as soon as possible after sampling.
Preparation
1. To get accurate results the sample temperature must be between 20 °C and 25 °C.
2. Nitrites or borax-containing water must be adjusted between pH 4 and pH 6 before
the analysis (with 1N Sulphuric acid).
3. If the sample contains more than 500 mg/l CaCO
Salt Solution are to be added.
Notes
1. Triazole Reagent Powder Packs and UV maps available on request.
2. For handling of the UV lamp see manufacturer's manual. Do not touch the surface
of the UV lamp. Fingerprints will erode the glass. Wipe the UV lamp with a soft and
clean cloth between measurements.
3. The test does not distinguish between Tolyltriazole and Benzotriazole.
82
Packaging Unit
Powder / 100 pc.
30 ml
h)
Packaging Unit
1 pc.
hardness, 10 drops of Rochelle
3
EN Method Reference Book 1.0
M388
tri
Part Number
532200
530640
Part Number
400740