 
    • Allows a simultaneous semi-quantitative determination of silver and pH value in photographic solutions • Gradation (pH): 4 - 5…
 
    • Allows the quick and easy detection of aluminum and zirconium • In the presence of aluminum (Al3+), it shows…
 
    • Fast and reliable determination of ammonium, respectively ammonia, in solutions, which is harmful to fish and other aquatic life…
 
    • Used for the rapid detection of ammonium ions and gaseous ammonia • The white paper turns brownish-yellow in the…
 
    • Allows the quick and easy detection of antimony [Sb(III)] • In the presence of antimony [Sb(III)], it shows orange-red…
 
    • Quick and easy determination of water hardness • Gradation (Total Hardness): < 54 > 72 > 151.2 > 252…
 
    • Quick and easy determination of water hardness • Gradation (Total Hardness): < 54 >72 > 126 > 252 >…
 
    • Quick and easy determination of water hardness • Gradation (Total Hardness): < 54 >72 > 151.2 > 252 >…
 
    • Quick and easy determination of water hardness • Gradation (Total Hardness): < 54 >72 > 126 > 252 >…
 
    • Quick and easy determination of water hardness • Gradation (Total Hardness): < 54 >72 > 126 > 252 >…
 
    • Quick and easy determination of water hardness • Gradation (Total Hardness): < 54 > 90 > 180 > 270…
 
    • Quick and easy determination of water hardness • Gradation (Total Hardness): < 54 > 90 > 180 > 270…
 
    • Quick and easy determination of water hardness • Gradation (Total Hardness): < 54 > 90 > 180 > 270…
 
    • Quick and easy determination of water hardness • Gradation (Total Hardness): < 54 > 90 > 180 > 270…
 
    • Allows the quick and easy measurement of the water amount at the bottom of petrol and fuel oil tanks…
 
    • Allows the easy detection of arsine (AsH3) in the gas phase • Arsenic in solutions has to be converted…
 
    • Allows the rapid detection of Bismuth • In the presence of bismuth ions (Bi3+), it shows an orange-red discoloration…
 
    • Changes colour from blue to red when conditions change from alkaline to acidic
• General test for acidic or alkaline…
 
    • Changes colour from blue to red when conditions change from alkaline to acidic • General test for acidic or…