Test Paper for Qualitative Deter

• Allows the quick and easy detection of hydrogen sulphide, which occurs in the processing of raw oil. It is toxic even in low concentrations. Therefore, critical points are carefully checked. Sulfide containing solutions also give a positive reaction

• Allows the quick and easy detection of hydrogen sulphide, which occurs in the processing of raw oil. It is toxic even in low concentrations. Therefore, critical points are carefully checked. Sulfide containing solutions also give a positive reaction

• Allows the quick and easy detection of nickel

• For non-destructive testing of materials, apply a drop of 3% Nitric acid (1 part Nitric acid 85%, 5 parts water) to the degreased surface. After 1 minute, absorb the liquid with the test pape

• Allows the reliable detection of Nitrate and Nitrite

• Shows different colors for the two ions

• Virage Nitrate: white to red (dip test paper into sample and afterwards into sulfuric acid 96%)

• Virage Nitrite: white to ye

• Allows the rapid detection of sulphite and sulphur dioxide

• Used in food analyzing laboratories

• The reaction is as follows: 2 IO3- + 5 SO32- + 2 H+ to 5 SO42- + I2 + H2O

• Sulphurous acid or sulphites reduce potassium i

• Allows the quick and easy detection of strong oxidizers such as nitrite and free chlorine

• Also used to control diazotization reactions

• Nitrite or free chlorine oxidize potassium iodide to form elemental iodine which reacts with

• Allows the quick and easy detection of strong oxidizers such as nitrite and free chlorine

• Also used to control diazotization reactions

• Nitrite or free chlorine oxidize potassium iodide to form elemental iodine which reacts with

• Allows the quick and easy detection of strong oxidizers such as nitrite and free chlorine

• Also used to control diazotization reactions

• Nitrite or free chlorine oxidize potassium iodide to form elemental iodine which reacts with

• Allows the quick and easy detection of strong oxidizers such as nitrite and free chlorine

• Also used to control diazotization reactions

• Nitrite or free chlorine oxidize potassium iodide to form elemental iodine which reacts with

• Allows the quick and easy detection of potassium, rubidium, cesium and thallium(I)

• Sodium and heavy metal ions decrease the sensitivity. The leaflet describes a method to eliminate these interferences

• Color reaction: bright-yel

• Allows the quick and sensitive detection of blood traces

• In criminal investigations, it is used as a rapid screening test

• The test paper uses the pseudo-peroxidatic effect of blood. The material in question is allowed to soak i

• Allows the quick and easy detection of peroxidase in food

• It is used in the food processing industry to evaluate the quality of canned food

• A drop of the sample is put onto the test paper. Alternatively, the paper can be presse

• Allows the specific detection of lactoperoxidase in milk

• In the dairy industry, the test is used for the quick and easy quality control of highly heated milk

• In contrast to the alternative guaiacol method, Peroxtesmo MI is odor

• Allows the quick and easy detection of sperm

• In criminal investigations, it is used as a rapid screening test

• The paper is specific for acid phosphatase. The material in question is allowed to soak in physiological saline solut

• Allows the rapid and reliable detection of oil contaminations of water and soil

• The sensitivity largely depends on the nature of the respective hydrocarbon

• For detection of oil in soil, press the paper firmly against the soil t

• Allows the specific detection of alkaline phosphatase in milk

• In the dairy industry, the test is used for the quick and easy quality control of pasteurized milk

• The strip is dipped into the milk and incubated at 36 deg C. If t

• Allows the quick and easy detection of aluminum and zirconium

• In the presence of aluminum (Al3+), it shows bright red spots on a yellow background

• Color reaction: yellow to bright-red

• Limit of sensitivity: 10 mg/l Al

• Allows the quick and easy detection of lead on surfaces including metal surfaces, dishes, ceramics and toys

• In criminal investigations, it is used to search for traces of bullets

• The surface in question is moistened with distil

• Used for the rapid detection of ammonium ions and gaseous ammonia

• The white paper turns brownish-yellow in the presence of ammonium ions or NH3

• This test paper is specific for the determination of NH4+

• Color reaction