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What is the purity difference between hydrogen peroxide AR grade and hydrogen peroxide LR grade?

Hydrogen peroxide AR (Analytical Reagent) grade is of higher purity compared to LR (Laboratory Reagent) grade. AR grade typically has a purity of 95-97%, while LR grade has a purity of around 70%, making AR grade more suitable for analytical and research applications where higher purity is required.


What is meanings of AR and GR in chemical grade?

AR grade means Analytical grade it is highly pure or enough pure to carreid out any analytical test at the same time GR is stands for Guarnted reagent which is superior grade to perform any test.


How many AR points is Percy Jackson and the Olympians?

it is 9.0 points and grade level of 4.6.


How do you delete an AR test grade?

You can't delete an AR test grade. Sometimes the school allows special education students to have their tests deleted. But often even the teacher can't delete the test.


What is LR or AR grade chemicals?

The laboratory reagent grade are specified according to their purity. The common commercial grades of reagents are as follows.. AR- analytical reagent grade OR-organic reagent IP - pharmaceutical reagent grade LR- laboratory grade CP- Chemically pure


Can an adult take an AR test on any grade level book?

no because some grade levels book are easy to read


What is the AR level of Harry Potter and the Sorcerer's Stone?

six grade i read it and it said 6.5


What is the AR level for out of my mind by Sharon Draper?

"Out of My Mind" by Sharon Draper is typically classified as an AR (Accelerated Reader) book at a 4.3 grade level.


What ar examples of steriods?

my name is jessica adams is am is 5 grade and this website isnt answering my questions


How many points is ersatz elevator on ar?

it is 7 points, and is 6.? grade level. hope this helps :)


What is the average AR level for the matilda book and how many points is it worth?

Matilda by Roald Dahl is set at a grade level of 5.0, and is worth 6 AR points.


What is the AR reading level for the Isle of the Lost?

The AR reading level for "The Isle of the Lost" by Melissa de la Cruz is 4.8, which means it is typically recommended for students in 4th or 5th grade.