Parts Per Million (ppm) and Parts Per Billion (ppb) - Solution Concentration The Organic Chemistry Tutor 11:00 4 years ago 500 459 Далее Скачать
Introduction to Calculating the Parts per Million (ppm) Concentration teachmechemistry 4:54 11 years ago 153 132 Далее Скачать
What is PPM? How do you measure it? Most important step in growing larger producing plants! Mike's Grow Room 18:32 2 years ago 4 208 Далее Скачать
What are pH, EC, TDS, and PPM and How Are They Connected? Epic Gardening 22:08 7 years ago 486 324 Далее Скачать
SIZE MATTERS: Using The Correct PPM for YOUR Plants Welcome to The GrowTent 22:50 2 years ago 43 150 Далее Скачать
How to calculate ppm | ppm calculation Learn Chemistry Jalpa Kotecha 21:21 4 years ago 291 317 Далее Скачать
Calculate ppm for a solution (parts per million) using formula chemistNATE 5:29 4 years ago 40 818 Далее Скачать
How to prepare 1ppm, 10ppm, 100ppm and 1000ppm solution | ppm solution preparation pharmachem insights 3:18 10 months ago 17 062 Далее Скачать
What is PPM | PPM Definition | How to Calculate PPM | PPM Calculation Sheet & Formula | AYT India AYT India Academy 10:36 3 years ago 385 810 Далее Скачать
PPM Calculation | PPM Solution | How to make ppm solution | Stock solution preparation Analytical Tech 4:58 2 years ago 36 505 Далее Скачать
What is PPM | Parts Per Million | Definition | Detailed explanation | New Mechanical Mind New Mechanical Mind 24:22 3 years ago 21 221 Далее Скачать
What’s up with PPM’s, PH, & Tap Water Temperature? Illinois Growers Club 12:28 3 years ago 26 806 Далее Скачать
