Lead (Ii) Sulfate Suppliers USA
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Product | Description | |
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Lead (II) Sulfate Quick inquiry Where to buy Suppliers range | LEAD (II) SULFATE, 99% pure, -60 mesh, Formula: PbSO4. CAS No. 7446-14-2. Noah Chemicals San Antonio, Texas. ISO 9001:2015 Certified. Request a Quote Today! | Texas TX |
Lead (II) Sulfate Quick inquiry Where to buy Suppliers range | LEAD (II) SULFATE, 99% pure, -150 mesh, Formula: PbSO4. CAS No. 7446-14-2. Noah Chemicals San Antonio, Texas. ISO 9001:2015 Certified. Request a Quote Today! | Texas TX |
Lead (II) Sulfate Quick inquiry Where to buy Suppliers range | Lead (II) Sulfate. Grades: 98.% Very High (95-98%). CAS No. 7446-14-2. Pack Sizes: Kilogram Quanitites: 10 kg , 50 kg. Order Number: 2287. | www.prochemonline.com |
Noah Chemicals Quick inquiry Where to buy Suppliers range | Noah Chemicals is your single source for both traditional and custom chemical products. Whether you are in need of a regularly produced inorganic compound or a rare or custom-manufactured chemical, Noah Chemicals has the facilities and the expertise to meet your requirements. Product range includes: Barium Acetate, Barium Sulfate, Iron (II) Chloride, Lanthanum Nitrate, Lead (II) Nitrate, Silicon Carbide, Strontium Acetate, Tin (II) Fluoride, Titanium (IV) Isopropoxide, Zirconium Hydroxide.sponsored . | Texas TX |
Lead Quick inquiry Where to buy Suppliers range | Lead. Uses: The metal is not attacked by hot water. But in the presence of free oxygen, lead(II) hydroxide is formed. The overall reaction is: 2Pb + 2H2O + O2 ? 2Pb(OH)2 In hard water, however, the presence of small amounts of carbonate, sulfate, or silicate ions form a protective film on the metal surface, and prevent the occurrence of the above reaction and thus, corrosion of the metal. Lead does not evolve hydrogen readily with acids. Nitric acid attacks the metal readily, forming lead nitrate and oxides of nitrogen: 3Pb + 8HNO3 ? 3Pb(NO3)2 + 2NO + 4H2O This reaction is faster in dilute nitric acid than strong acid. Hydrochloric acid has little effect on the metal. At ordinary temperatures, lead dissolves slowly in hydrochloric acid, forming a coating of lead(II) chloride, PbCl2 over the metal, which prevents further attack. At ordinary temperatures, lead is not readily attacked by sulfuric acid. A coating of insoluble lead sulfate formed on the metal surface prevents any further reaction of the metal with the acid. The acid is, therefore, stored in specially designed lead containers. Also, the action of hot concentrated sulfuric acid is very low up to about 200°C. However, at temperatures near 260°C, both the concentrated sulfuric and hydrochloric acids dissolve lead completely. At ordinary temperatures, hydrofluoric acid also has little action on the metal. Formation of insoluble PbF2 prevents dissolution of lead in the acid. Organic acids in the presence of oxygen react slowly with lead, forming their soluble salts. Thus, acetic acid in the presence of oxygen forms lead(II) acetate: 2Pb + 4CH3COOH + O2 ? 2Pb(CH3COO)2 + 2H2O Lead dissolves in alkalies forming plumbite ion, Pb(OH)42¯ with the evolution of hydrogen: Pb + 2OH¯ + 2H2O ? Pb(OH)42¯ + H2 Lead combines with fluorine, chlorine, and bromine, forming bivalent lead halides: Pb + Cl2 ? PbCl2 Fusion with sulfur at elevated temperatures yields lead sulfide, PbS. The metal is oxidized to PbO when heated with sodium nitrate at elevated temperatures. Pb + NaNO3 ? PbO + NaNO2 Lead is widely used in storage batteries. Each cell consists of a spongy lead plate as cathode and lead dioxide as anode immersed in the electrolyte sulfuric acid. The overall chemical reaction in the cell during discharge is as follow | |
Lead Sulfate Quick inquiry Where to buy Suppliers range | Lead Sulfate. Group: Biochemicals. Alternative Names: Lead(II) sulfate. Grades: Highly Purified. CAS No. 7446-14-2. Pack Sizes: 250g, 500g, 1kg, 2kg. US Biological Life Sciences. | Worldwide |
Polymyxin Ile-B1 Sulfate Quick inquiry Where to buy Suppliers range | It is produced by the strain of Pseudomonas Sp. It is one of the individual polypeptide components in polymyxin B sulfate. Polymyxin B targets and alters permeability lipopolysaccharide (LPS) of gram-negative bacteria leading to lysing of the cell. Synonyms: Polymyxin B1-I sulfate; Polymyxin II Sulfate; Polymyxin B1 Isoleucine sulfate. Grades: ≥90.0%. Molecular formula: C56H98N16O13.xH2O4S. Mole weight: 1203.47 (free base). | |
Ristocetin A Sulfate (Ristocetin, Ristomycin III, Spontin, Riston) Quick inquiry Where to buy Suppliers range | Ristocetin A is a potent antibacterial glycopeptide antibiotic but was withdrawn for clinical use following a high incidence of thrombocytopenia. Further investigation found that ristocetin A induced platelet aggregation by binding to a factor absent in people suffering from von Willebrand's disease and lead to the use of ristocetin A as an important diagnostic aid. Source:Amycolatopsis sp. Group: Biochemicals. Alternative Names: Ristocetin; Ristomycin III; Spontin; Riston. Grades: Highly Purified. CAS No. 11140-99-1. Pack Sizes: 10mg, 25mg, 50mg. Molecular Formula: C95H110N8O44·H2SO4, Molecular Weight: 2166. US Biological Life Sciences. | Worldwide |