|Product Name:||Ammonium Sulfate||Other Name:||Ammonium Sulfate|
|Chemical Formula:||(NH4)2SO4||Appearance:||White Granular|
Nitrogen 21 Granular Ammonium Sulfate,
White Pearls Ammonium Sulfate
Nitrogen 21 Granular Ammonium Sulphate Ammonium Sulfate Fertilizer White Pearls
Ammonium sulfate contains two kinds of nutrients needed by plants, nitrogen and sulfur. The theoretical value of nitrogen content is 21.1%, the actual nitrogen content is 20% to 21%, and the sulfur content is 24%. For sulfur-deficient crops, the application effect is very obvious. The ammonium sulfate fertilizer used in agriculture is generally a by-product of chemical plants or steel mills, accounting for about 0.5% to 0.7% of the total output of nitrogen fertilizer in my country. The nitrogen form is ammonium ion (NH4+), which belongs to physiological acidity and ammonium state. nitrogen fertilizer. Ammonium sulfate has stable properties and is one of the earliest nitrogen fertilizer varieties to be applied, which can be used as standard nitrogen fertilizer.
|STANDARD VALUE||ANALYSIIS RESULT|
|Appearance||white or off-white, powder or crystal||white crystal|
|Nitrogen (N), %||≥20.5%||21.0|
|Sulfur (S), %||≥24.0%||24.9|
|Free acid (H2SO4), %||≤0.05||0.007|
|Moisture (H2O), %||≤0.5||0.2|
|Water insoluble matter, %||≤0.5||0.1|
|Chloride (Cl-), %||≤1.0||0.3|
|Fluoride (F), %||≤500||10|
|Thiocyanate ion, mg/kg||≤1000||50|
|Mercury (Hg), mg/kg||≤5||＜0.1|
|Arsenic (As), mg/kg||≤10||＜0.1|
|Cadmium (Cd), mg/kg||≤10||＜0.1|
|Lead (Pb), mg/kg||≤500||＜0.1|
|Chromium (Cr), mg/kg||≤500||＜0.1|
|Total PAHs, mg/kg||≤1.0||0.9|
1. Mainly used as fertilizer, suitable for various soils and crops.
2. It can also be used in textile, leather, medicine, etc.
3. Edible is prepared by industrially adding distilled water to dissolve, adding arsenic remover and heavy metal remover to purify the solution, filter, evaporate and concentrate, crystallize by cooling, centrifuge and dry. Used as food additives, as dough conditioner, yeast nutrition.
4. Common salts used in biochemistry and salting out can be used to separate and purify proteins from upstream products such as fermentation.
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