The rating is low because there have only been a small handful of monitored deaths in humans, so the unreliability is uncertain and not conclusive given the small amount of data. Like some people have said, there is also the risk of vomiting which raises the survival rate. Being discovered too soon can also lead to a full recovery. When exposed to air, SN pulls moisture out of the air and loses its lethal properties so that might also contribute to many non-fatal attempts.
[1]
I have no doubts that SN is lethal, here are some toxicology reports on Sodium Nitrate. Nitrates are converted to nitrites in our digestive system.
Some reports that I found were interesting:
- /CASE REPORTS/ ... A patient with lethal course after ingestion of 25 g sodium nitrate was reported. After efficaciously treated with high doses of toluidine blue, hemodialysis and partial exchange transfusion the patient died 6 days after admission as a consequence for secondary pulmonary complications.
- /CASE REPORTS/ Sodium nitrate ... in the only reported instance of eye disturbance from ingestion, caused transitory blindness, deafness, speechlessness, and tetanic convulsions, but gradually recovery in a girl who took 16 grams.
- /CASE REPORTS/ Death and severe effects of nitrate ingestion are generally associated with doses above 10 g NO3-. Doses between 2 and 9 g NO3- have been reported to cause methemoglobinemia. These values correspond to 33 to 150 mg NO3-/kg. /Nitrate/
SN is also used to humanely control the feral pig population
[1][2], 8 grams of sodium nitrite is enough kill a 100-pound pig . It is reported that an animal will feel faint and pass out, and then die in a humane manner after first being rendered unconscious. Here is a study regarding the humaneness and efficiency of the pig bait:
https://www.environment.gov.au/syst...-a530-f2e0c307a20c/files/pigs-imvs-report.pdf
- It is the opinion of the authors that the development of methaemoglobinaemia as a result of sodium nitrite ingestion leads to a state of unconsciousness without a prolonged preliminary excitatory state.
- The nitrite containing toxic baits fed to the pigs in this study were efficacious and resulted in an apparently humane death. Biochemical changes other than the rise in lactate and cortisol, were not different between test and control animals.
The PPHB also has one closely monitored case on an elderly woman, but video link seems to be down at the moment.
At least it's quick.
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Anyways I wrote too much
, I should really make a new thread about this. I'll be using the SN method because I am being monitored by people so I can not do anything suspicious or be away for long periods of time.