I have 1 gram of Diphenylamine and want to make a 10,000 or
1000 ppm solution in methanol. How do I make this?

Answer Posted / heena

i mg diphenylamine to 1000ml methanol is equal to 1000ppm

Is This Answer Correct ?    1 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

why multimedia dissolution require to do?

308


In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

1775


what is classification of elemental impurities? what is risk assement in elemental impurities?

342


iam usig ph buffers merk. manually how to prepare ?

1779


Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

1460






What is importance of pH in the Heavy metal test and How it effect on the test results?

1752


how the compound separate in coulunm,explain

1945


While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

2352


can i use hplc detector to uplc and why?

1811


what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

9437


how you establish the LOQ?

311


2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.

1761


What is the calibration of uv process and preparation

1501


For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

3493


Why irmoisture balance is used for corrugated box moisture testing

1927