High Quality Ammonium sulfate CAS NO.7783-20-2

 Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

 

Our Laboratory is located in shandong province. There are 15 experts in our research team. Talented personnel and well-equipped laboratory makes rigorous and professional quality control possible. Lyphar Biotech is equipped with various detection devices, such as HPLC, GC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.

 

The aim of QDSIGMA is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

 

QDSIGMA has become the "Top 500 Chinese manufacturing companies","Top 20 of global chemical sales".QDSIGMA has 21 subsidiaries and holding companies.

Competitive price Ammonium aluminium sulfate/Ammonium alum 99.5%  CAS:7783-20-2 

Molecular Formula: (NH4)2SO4

Relative Molecular weight: 132.13

Property: White or off-white granule, easily soluble in water. Aqueous solution appears acid. Insoluble in alcohol, acetone and ammonia.

Specification 

Item	Supreme grade	First grade	Qualified grade
Appearance	no visible mechanical impurity	no visible mechanical impurity	no visible mechanical impurity
N content(dry basis),%       ≥	21.0	20.8	20.5
Water content(H2O),%         ≤	0.5	0.7	1.0
Free acid(H2SO4)content,%    ≤	0.03	0.05	0.20
Fe content, %                 ≤	0.007	-	-
As content,%                  ≤	0.00005	-	-
Heavy metal(Pb)content,%    ≤	0.005	-	-
Water insolubles,%            ≤	0.01	-	-

 

 

Ammonium Alum Properties: colorless glassy octahedral crystal to white granules or powder, odorless and slightly sweet, strong convergence.

 

Ammonium Alum Uses: processing of baking powder, fried food, salted jellyfish, vermicelli processing, crispness and color preservation of fresh fruits and vegetables, water purification, disinfection, rubber processing, leather, processing of washing powder, feed processing, pencil production. 

d sulfuric acid
.