Все публикации

0:03:15

Phenanthroline Method - General Theory

0:01:23

Sources of Iron in water

0:03:03

Phenanthroline Method: Role of Reagents used

0:05:29

Preparation of Fehlings solution

0:02:47

Thymol blue indicator (0.04% w/v) solution - Preparation

0:03:01

m- Cresol purple indicator solution (0.04% w/v) - Preparation

0:01:56

Bromophenol blue indicator solution (0.1% w/v aqueous) - Preparation

0:03:16

Phosphate buffer solution Preparation (pH range 4.8 to 8.0 )

0:03:21

Borate buffer solution preparation (pH range of 9.2 to 11.0 )

0:09:53

Measuring Nitrate in Water: UV Screening Method- Spectrophotometric Measurement of Absorbances

0:03:15

Ammonium buffer solution preparation (pH range 3.8 to 5.8)

0:03:14

Acetate buffer solution preparation (pH range of 3.6 to 5.6)

0:02:51

0.05M Iodine solution: Preparation

0:02:44

Iodine-Potassium iodide solution for starch test - Preparation

0:02:54

Tincture of Iodine -Preparation

0:03:25

Bromocresol green indicator solution 0.04% (w/v) - Preparation

0:02:12

Murexide indicator solution 0.15% (w/w) - Preparation

0:02:27

Eriochrome black T (EBT) Indicator solution 0.5% (w/w) - Preparation

0:08:24

How to use spectrophotometer? Step by step practical. Parameters setting on photometric measures

0:09:33

Measuring Turbidity of water: Instrument calibration & measurement (Turbidimeter Plus of Palintest)

0:09:36

How does Spectrophotometer work? Step by step practical. General operating procedure

0:02:02

Methyl orange indicator solution 0.04% (w/v) - Preparation

0:02:14

Preparation of 1N Acetic acid solution

0:02:24

Ferroin indicator solution - Preparation