Buffer Cleaner
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To prepare universal indicator, add 0.18 g of mehtyl red and 0.36 g of phenolphthalein to 550 mL of 95% ethyl alcohol. Next, add 0.43 g of bromthymol blue to 300 mL of DI water. Mix the two solutions and dilute to a final volume of 1 L. Add 0.1 M sodium hydroxide dropwise until the solution is green.
The Universal Indicator Color Guide shows that Universal Indicator turns red when it is added to a strong acid, it turns purple when it is added to a strong base, and it turns a yellowish-green when it is added to a neutral solution. All acids in the range of 1 to 4 turn the indicator red.
A universal indicator is a pH indicator made of a solution of several compounds that exhibits several smooth colour changes over a wide range of pH values to indicate the acidity or alkalinity of the solution. They are used to indicate the acidity and alkalinity of the solution by colour change.
We are marine chemical supplier since 1996.These Marine Chemicals include different sets of products such as Tank Cleaners, Maintenance Chemicals, Cooling Water Treatment Chemicals, Boiler Water Treatment Chemicals, Fuel Additives, etc.
Oman Chemical is leading one Largest Supplier, Manufacture a
Oman Chemical is leading one Largest Supplier, Manufacture a
