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benainouna

3y

Water Treatment "Part 6": Water quality.

Water Treatment "Part 6": Water quality.

Only 0.5% of the total amount of water on Earth is pure water, more than 800 meters below ground level is where the majority of this pure water may be found. Human activities often cause water pollution,

$ 1.814

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benainouna

4y

Chemistry of water -Part 18-

Chemistry of water -Part 18-

4- Measurement of dissolved oxygen: The first approach relies on the volumetric titration of dissolved oxygen in accordance with its oxidizing characteristics. [Photo taken by me, in the water treatment

$ 5.131

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benainouna

4y

Chemistry of water -Part 17-

Chemistry of water -Part 17-

Analysis of natural waters: 3- Alkalinity: "Alkalimetric title" The alkalinity of the water is measured using a standard solution of a mineral acid with a phenolphthalein indicator that makes

benainouna

4y

Chemistry of water -Part 15-

Chemistry of water -Part 15-

2- Some analytical methods used in laboratories: The most often used analytical technique in water analysis is molecular absorption spectrophotometry. Its foundation is the observation that any coloured

wiseagent

3d

MOVIE REVIEW: “Anniversary” (2025)

MOVIE REVIEW: “Anniversary” (2025)

This publication was also writen in SPANISH and PORTUGUESE. IMDb Synopsis: An (apparently) united family finds itself in the midst of gradually escalating chaos due to the rise of a controversial movement

trendstop5

8y

Acupuncture treatment that gives more benefits by just walking!

Acupuncture treatment that gives more benefits by just walking!

Hey, Guys welcome. Today we discuss Acupuncture treatment that gives more benefits by just walking! Shoes have become an essential luxury item in which human life is joined together. Even today, they have

heywood

8y

Not Here

onlexer

8y

cancer scare

enjieneer

9y

Your Skin Deserves a Detox Facial Treatment

Your Skin Deserves a Detox Facial Treatment

Our face is in constant contact with dust, dirt and pollution most especially when we are out in the street. Due to this, our pores can be clogged with sweat and dirt causing bacterias which may lead to