Answer / k.raveendra reddy

weigh accurately about 0.8 g of anhydrous Sodium Carbonate, previously heated at about 270°C for 1 hour. Dissolve it in 100 ml of water and add 0.1 ml of methyl red solution. Add the acid slowly from a burette, with constant stirring, until the solution becomes faintly pink.

HOW TO CALIBRATE HPLC OVEN

1 Answers   Mylan,

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why phepolphthalene giving pink color when we titrate against to NaOH Solution ,giving colrless titrating aginsiting with acids?

2 Answers   Graviti Pharmaceuticals, Vimta Labs,

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inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?

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why we are using k2cr207 in uv calibration ? why we r not using kmno4?

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5 Answers   Dr Reddys,

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

0 Answers   Laurus,

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How can we detect a compound in hplc which does not have any chromofore?

1 Answers  

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What the difference in loss on drying and residue on ignition

2 Answers  

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in gas chromatography what is the difference between gas flow rate and average linear velocity ?

0 Answers   USV,

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In HPLC (Waters) software Empower1,2 &3 what is the updation for each version

0 Answers   APL,

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