how the compound separate in coulunm,explain

2451

---

why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

2208

---

what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?

1976

---

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

2792

---

which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

2121

---

What are modes of quantification in related substances

2115

---

What precaution u take when doing rs preparing

2073

---

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

1863

---

How would you decide dissolution medium for NCE compound of class I drug

2200

---

What is the principle of Thermal conductivity detector and FID?

2683

---

whether ter weight is require when doing the water standerdisation

1947

---

Why there is no bond with 100% ionic character...??

1763

---

if you have given a blank water how you analyse by general analytical techniques?

1979

---

chlorination of methane is possible and a mixture of products are obtained. Is flourination and Bromination of methane is possible?

1982

---

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

2543

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