​​​​​​​​南星化工

S.S CHEM

Ammonium Sulphate 硫酸铵

Ammonium Sulphate 硫酸铵

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Ammonium Sulphate

1. Basic indicators                                                                            

Molecular Formula

(NH4)2SO4

Cas No.:

7783-20-2

Appearance:

White Powder / Granular

H.S Code:

3102210000

2. Technical specifications                                                                    

Items

Ammonium sulphate steel grade

    Ammonium Sulphate Caprolactum Grade

Appearance

White Granular / Powder

White Crystalline

N

20.5%min

21%min

S

23.5%min

24%min

Fe

——

0.007%max

As

0.0002%max

0.0005%max

Moisture

1.5%max

1.0%max

Free acid

0.3%max

0.05%max

Water insoluble matter

——

0.02%max

Size

Powder/2-5mm

0-2mm

3. Application                                                                                                     

Nitrogen fertilizer

4. Packing and storage                                                                                        

Packing: Double coated plastic woven bag, 25kg net; 500kg / 1000kg jumbo bags.

Storage: Dry, ventilated, moisture proof.  


农用硫酸铵

英文别名:Ammonium sulfate,Sulfuric acid diammonium salt

化学式:(NH4)2SO4

相对分子质量:132.14

性状:无色结晶或白色颗粒。无气味。280℃以上分解。水中溶解度(G/100G饱和溶液):0℃时41.22,25℃时43.47,100℃时50.42。不溶于乙醇和丙酮。0.1mol/L水溶液的pH为5.5。相对密度1.77。折光率1.521。低毒,半数致死量(大鼠,经口)3000mG/kG。有刺激性。

用途:

1.硫酸铵主要用作肥料,适用于各种土壤和作物。

2.还可用于纺织、皮革、医药等方面。

3.食用硫酸铵由工业硫酸铵加入蒸馏水溶解后,加入除砷剂和除重金属剂进行溶液净化,过滤,蒸发浓缩,冷却结晶,离心分离,干燥制得。用作食品添加剂,作面团调节剂、酵母养料。

4.应用于生化,盐析的常用盐,可以盐析初步从发酵等上游产物中分离纯化出蛋白质等。