Granular sodium nitrate

1.Name: Sodium nitrate

　　Chemical formula: NaNO₃

　　Formula weght:84.99

2.Property:

　　(1) ordinary sodium nitrate: white little crystals or light yellow

　　(2) dry powder sodium nitrate: non-caking, showing loose status.

　　Density:2.257. It is liable to deliquesce, dissolved in water,soluble in liquid ammonia,slightly soluble in ethanol and
　　glycerin,Melting Point:308℃. While being heated up to about 380℃，it will decompose and release oxygen and turn
　　into sodium nitrite,as the heating going on, it will decompose into oxygen,nitrogen and nitrogen oxide. It has strong

　　oxidability and can cause conbustion explosion if being mixed with organic substance,sulphur, sodium nitrate etc.

3.Usage:

　　It has being wildly used in glass industry, dye,dynamite,metallurgy,machinery,ceramic etc.

4.Specification: (Technical Standards:GB/T4553-2002)

Item	High-purity class	High-class goods	Primary quality	Qualified product	Dry powder
sodium nitrate conten（Dry basis）%≥	99.9	99.7	99.3	98.5	99.3
Sodium nitrite content（Dry basis）%≤	0.008	0.01	0.02	0.15	0.02
chloride（NaCl）（Dry basis）%≤	0.03	0.25	0.30	——	0.25
Water insoluble（Dry basis）%≤	0.01	0.03	0.06	——	0.03
Water content　%≤	1.0	1.0	1.5	2.00	0.2
Sodium carbonate content（Dry basis） %≤	0.02	0.05	0.10	——	0.1
（Fe）content　%≤	0.002	0.005	——	——	0.005
Looseness≥	——	——	——	——	95

5, shape:

　　caking, no caking, dry powder, particles.

6, packing:

　　woven bags lined with plastic bags, net weight of 25kg/50kg/500kg/1000kg, or according to customer requirements.

　　Granular sodium nitrate is granular and should be produced by customer's requirements. It is characterized by long-
　　term storage and no agglomeration

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