Help Hard to buy Sn

[Ane]

I am going to buy "Sodium Nitrate For Gold Refining Reagent Grade 16 Ounces"

Is this good Sn?

Someone please give me advice

I was disappointed I order above item however,I got an answer from the company "
Sorry, this item cannot be shipped to New Zealand.
The seller has specified that this item cannot be shipped to addresses in New Zealand."

 

[Talvikki]

It's Sodium Nitrite (not sodium nitrate).

Good:
Sodium nitrite
Chemical formula: NaNO2​
CAS Number: 7632-00-0

Not good:
Sodium nitrate
Chemical formula: NaNO3​
CAS Number: 7631-99-4