Understanding Sodium Nitrite and Nitrate : r/toxicology - Reddit
2023年1月12日 · Sodium nitrite can be immediately harmful with an LD50 of 180 mg/kg. Sodium nitrate has an LD50 of 3236 mg/kg. It is inadvisable taken as an athletic supplement and it used to be believed to limit libido, so there is a history of deliberate consumption. There are long-term concerns with usage associate with Alzheimer's and some cancers.
Nitrites vs nitrates | Aquarium Nitrogen Cycle Forum
2016年2月5日 · So in a cycled tank there will be no measurable ammonia or nitrite, and a constant increase in nitrate, depending on bioload, which we have to dilute by changing water. Nitrate isn't extremely toxic, but the higher it is the more stress and chronic damage it can start to cause. Different fish species have different tolerances.
Suicide Websites and Sodium Nitrite Poisoning : r/ems - Reddit
2021年12月9日 · The takeaway being that nitrite/nitrate poisoning isn't much of a contact/inhalation risk (provided you can refrain from licking your fingers during a call, I suppose), while cyanide is a bit worse- 1.5 mg/kg LD50 (oral), LC50 of 524 ppm (inhalation of HCN). (For reference, LD50 sodium nitrite is 71 mg/kg.)
How fast do sodium nitrite and sodium nitrate break down?
2023年3月1日 · The 30-day guideline applied to nitrate converting to nitrite seems pretty well established and I would never eat anything with PP2 added before that time frame. I've also read that heat i.e cold/warm smoking accelerates the process of nitrite conversion into nitric oxide.
Barrels: stainless vs nitride. Can someone explain? : r/ar15 - Reddit
2019年4月15日 · The steel barrel will break in better and produce better accuracy when the lands and grooves smooth out. Some manufacturers hand Lap the barrels to speed up this process.
Why does nitrate have the same charge as nitrite? : r/askscience
2016年4月25日 · Also, not just these two polyatomic ions. Chlorate, chlorite, hypochlorite and perchlorate all have the same charge, similarly for sulphates.
Phosphate vs nitride? : r/ar15 - Reddit
2020年2月1日 · Phosphate, AKA parkerizing, is an external surface coating that somewhat improves corrosion resistance, darkens the metal, and gives a harder rough finish.
Pandora vs nitrite spike : r/Goldfish - Reddit
2024年1月7日 · Keep water parameters good. Do water changes every few days. Burns should clear up after a while once water is clean. I'd add some bacteria starter if you have any. Can help give the bacteria a boost. 2 ppm of nitrite is quite high. You want to do water changes if it ever goes above .5 nitrite.
Nitrite and nitrate in a new aquarium, advice? : r/Aquariums - Reddit
2013年1月30日 · The 28th I saw some fish looked a bit colourless, and a water test told me the values of nitrite and nitrate were extremely high. Did a 30% water change. Today (30th) I checked the values again, and they were the same as last time. Did another 30% change. Note: I live in Sweden and our tap water is very drinkable. Fish in the aquarium:
Phosphate vs. nitride vs. melonite : r/ar15 - Reddit
2016年2月13日 · Melonite is a form of nitriding so it's really asking phosphate vs. nitrided. Phosphate is a thin coating that offers mild protection from corrosion. Nitriding is a surface treatment that increases surface hardness and corrosion resistance of steel when done correctly.