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Calculating pH Khan Academy are usually pretty good: https://www.youtube.com/watch?v=2q4vSKwaBtw |
8-4-2022 at 15:24 by: Fulmen |
I grew crystals at home and got the structure published in the Cambridge Structural Database Respect! |
3-4-2022 at 11:25 by: Fulmen |
Problems with nitroglycerin synthesis The first thing you can try is to heat the acid to 25°C. Low temperatures can delay the initial rea ... |
2-4-2022 at 11:06 by: Fulmen |
How do noble metals rank and compare in terms of inertness for practical laboratory purposes? [rquote=672455&tid=158498&author=j_sum1]
Pd alloyed steel seems like a weird idea to me.[/r ... |
31-3-2022 at 23:51 by: Fulmen |
Separating Sodium Perchlorate from Buffer Solution That and the very low solubility of KClO4 (<1g/100ml@0°C). So no, NaCl won't work. |
27-3-2022 at 09:05 by: Fulmen |
Metal displacement of aluminum by a copper salt The oxide layer is always slightly porous and single ions are pretty small. The rest is, as the fren ... |
25-3-2022 at 13:42 by: Fulmen |
Separating Sodium Perchlorate from Buffer Solution [rquote=672250&tid=158481&author=macckone]I was assuming he is wanting sodium perchlorate[/r ... |
24-3-2022 at 09:05 by: Fulmen |
Separating Sodium Perchlorate from Buffer Solution [rquote=672205&tid=158481&author=macckone]
Sodium acetate is less soluble but not enough di ... |
23-3-2022 at 11:47 by: Fulmen |
Advice for fractional distillation? A blocking diode would also work, cutting the power by 50%. |
28-2-2022 at 12:41 by: Fulmen |
Electromagnetic radiation waves removal? [rquote=671493&tid=158408&author=Antiswat]the topic is a dead end as theres an agenda set in ... |
26-2-2022 at 13:26 by: Fulmen |
Unidentified copper salts Knock yourself out, son :-) |
16-2-2022 at 14:02 by: Fulmen |
Unidentified copper salts Copper chemistry is messy, it forms hydrates, gels and basic salts of varying proportions depending ... |
16-2-2022 at 11:59 by: Fulmen |
Mass-production of copper acetate from metallic copper and vinegar [rquote=670933&tid=158369&author=njl]I understand that acetic acid alone can't oxidize coppe ... |
11-2-2022 at 16:38 by: Fulmen |
Optical furnace for growing crystals And what's the temperature of that heater element? |
30-1-2022 at 02:58 by: Fulmen |
HNO3 from kno3+hcl At best you will end up with a mixture of KNO3 and Sr/BaCl2. You will have to consult the solubility ... |
7-1-2022 at 16:48 by: Fulmen |
metal nuggets from sunflower seeds Vegetabile oils are notorious for charring to a hard, insoluble coke-like mass. I sincerely doubt th ... |
7-1-2022 at 12:09 by: Fulmen |
Interesting white flare composition (Breslau Fire) Magnesium should be coated when used with water. IIRC linseed oil is considered sufficient for nitra ... |
6-1-2022 at 10:09 by: Fulmen |
Alternative uses for an illegally owned Oxygen tank? In the end there is only one way to find out. Call a shop and ask them if they are willing to fill i ... |
4-1-2022 at 11:55 by: Fulmen |
A possible fraud! @phlogiston: I believe he suspected an inferior (lower density) alloy was used, and that could indee ... |
31-12-2021 at 13:19 by: Fulmen |
Electrode shapes [rquote=669208&tid=158215&author=Rainwater]
I might scrap the entire idea of a custom anode ... |
26-12-2021 at 13:15 by: Fulmen |
A possible fraud! A volume measurement would be most helpful. |
26-12-2021 at 12:11 by: Fulmen |
A possible fraud! Your math is wrong, you need to scale the entire part: 16.8g * 17.96^3 / 18.4^3= 15.6g
So the sh ... |
26-12-2021 at 08:14 by: Fulmen |
A possible fraud! Start by measuring the actual volume (by weighing it in water), casting usually involves some shrink ... |
26-12-2021 at 06:02 by: Fulmen |
Electrode shapes I agree, it would be impossible to keep the current density anywhere near uniform, and worse you can ... |
25-12-2021 at 11:41 by: Fulmen |
Electrode shapes Even though I like the idea of a lost PLA cast electrode, any cost/benefit analysis would favor simp ... |
24-12-2021 at 15:55 by: Fulmen |
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