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Lead(II) phosphate is an ionic compound with chemical formula Pb 3 (P O 4) 2.Lead(II) phosphate is a long-lived electronically neutral reagent chemical. [2] Despite limited tests on humans, it has been identified as a carcinogen based on tests on animals conducted by the EPA. [3]
Pb 2+ + H 2 S → PbS↓ + 2 H + This reaction is used in qualitative inorganic analysis. The presence of hydrogen sulfide or sulfide ions may be tested using "lead acetate paper." Like the related materials PbSe and PbTe, PbS is a semiconductor. [9] In fact, lead sulfide was one of the earliest materials to be used as a semiconductor. [10]
Lead(II) sulfate (PbSO 4) is a white solid, which appears white in microcrystalline form.It is also known as fast white, milk white, sulfuric acid lead salt or anglesite.. It is often seen in the plates/electrodes of car batteries, as it is formed when the battery is discharged (when the battery is recharged, then the lead sulfate is transformed back to metallic lead and sulfuric acid on the ...
The diagnosis of PB may be suggested in individuals with the clinical presentation of PB plus the presence of a family history of mammary secretory carcinomas, lobular carcinoma, ductal carcinoma in situ, invasive ductal carcinomas of no special type, [4] [5] [14] Cowden disease, Noonan syndrome, Proteus syndrome, or neurofibromatosis type 1. [14]
Lead(IV) sulfide is a chemical compound with the formula Pb S 2. This material is generated by the reaction of the more common lead(II) sulfide, PbS, with sulfur at >600 °C and at high pressures. PbS 2, like the related tin(IV) sulfide SnS 2, crystallises in the cadmium iodide motif, which indicates that Pb should be assigned the formal ...
Its chemical formula is usually expressed as Pb(CH 3 COO) 2 or Pb(OAc) 2, where Ac represents the acetyl group. Like many other lead compounds, it causes lead poisoning. Lead acetate is soluble in water and glycerin. With water it forms the trihydrate, Pb(OAc) 2 ·3H 2 O, a colourless or white efflorescent monoclinic crystalline substance.
To celebrate National Peanut Butter & Jelly Day on April 2, Welch's PB&J Snacks released a survey about Americans' preferences on their peanut butter & jelly sandwich. We've got the compelling ...
The alpha allotrope is red-colored and has the Pb–O distance of 230 pm; the beta allotrope is yellow-colored and has the Pb–O distance of 221 and 249 pm (due to asymmetry). [5] Thanks to the similarity, both allotropes can exist under standard conditions (beta with small (10 −5 relative) impurities, such as Si, Ge, Mo, etc.).