Oddley wrote:Prague 2
1 pound salt, 1 ounce sodium nitrite, 0.64 ounce sodium nitrate.
Nitrite = 5.6689% = 124.978 ppm at 1 gm per 1lb meat
Nitrate = 3.6281% = 79.986 ppm at 1 gm per 1lb meat
So I calculated it in kg using the lb ppm. so this time I have used:
Oddley wrote:************************************************************
Prague 2
1 pound salt, 1 ounce sodium nitrite, 0.64 ounce sodium nitrate.
Nitrite = 5.6689% = 56.689 ppm at 1 gm per 1 kg meat
Nitrate = 3.6281% = 36.281 ppm at 1 gm per 1 kg meat
************************************************************
I have posted all the calculations this time so you can look them over. I don't think there are any mistakes.
Nitrates ingoing ppm = weight of cure * % nitrates * 1000000 / 100 * weight of meat
Nitrates ingoing ppm = 5 * 3.6281 * 1000000 / 100 * 1500 = 121
Nitrates ingoing ppm = 121
Saltpetre = Weight Sodium Nitrate * 100 / 53.2
Saltpetre = 121 * 100 / 53.2 = 227
Saltpetre = 227
Nitrites ingoing ppm = weight of cure * % nitrites * 1000000 / 100 * weight of meat
Nitrites ingoing ppm = 5 * 5.6689 * 1000000 / 100 * 1500 = 189
Nitrites ingoing ppm = 189
Saltpetre = Weight Sodium Nitrite * 100 / 70.8
Saltpetre = 189 * 100 / 70.8 = 267
Total Saltpetre equivilent = 227 + 267 = 494
Sodium Nitrates ingoing ppm = 121
Sodium Nitrites ingoing ppm = 189
Total Saltpetre equivilent = 494 should be 438 mg/kg need to sort this out.
So the outcome is the Saltpetre = about 0.438 - 0.494 gm/kg
A lot less than you thought eh. Me too.
Read this link it's to do with salami:
http://www.r-biopharm.com/enzymatic/pdf/meat_enzym.pdf
Still a bit of a discrepency with Sodium Nitrate to Potassium Nitrate.