Карбонат калия

PotassiumCarbonate Specification:IndustrialGrade(GB/T1587-2000) INSPECTIONITEM UNIT FINEGRADE TVGLASSGRADE FIRSTGRADE REGULARGRADE Purity(asK2CO3) %Min 99.0 99.0 98.5 96.0 Chloride(asKCl) %Max 0.01 0.03 0.10 0.20 Sulphate(asK2SO4) %Max 0.01 0.04 0.10 0.15 Iron %Max 0.001 0.001 0.003 0.010 nsolublematterinwater %Max 0.02 0.04 0.05 0.10 Burntloss %Max 0.6 0.8 1.00 1.00 Specification:FoodGrade(HG2452-93) INSPECTIONITEM UNIT STANDARD Purity(asK2CO3) %Min 99.0 Chloride(asKCl) %Max 0.01 Sulphate(asK2SO4) %Max 0.01 Iron %Max 0.001 Insolublematterinwater %Max 0.02 Burntloss %Max 0.6 Arsenic %Max 0.0003 HeavyMetal(asPb) %Max 0.002 Packing: Plasticwovenbagorkraftpaperbaginnerwithplasticbag,in25/50/500/800/900/1000KGnet. HandlingandStorage: Storeindryandventilatedhouseawayfrommoisture.Don'tstoreingoodsyardsorexposetotheair.Protectthematerialfromrainwhenloadingandunloading.Besuretokeepthepackagedryandfreefromcontaminant.Avoidhandlingandtransportingtogetherwithacidsubstances.Intheeventofafire,usewaterasextinguishingagent. Applications: PotassiumCarbonateisusedasrawmaterialsinmanufacturingelectrotube,TVkinescope,computerdisplay.Itisappliedinopticalglassimprovingclarity,strengthandrefractiveindex.Itisalsoappliedinelectrodeavoidingelectricarcbreaking-offduringwelding.Itisusedtoproducefoodadditiveslikepotassiumsorbate,monopotassiumphosphate,etc.PotassiumCarbonateisfoliarsprayfertilizerandaconstituentofcompoundfertilizer.Indyeingindustry,itisusedtoproducevatdyestuffanddischargeoficedyeing.Itisabsorbentremovinghydrogensulfideandcarbondioxide;drypowderextinguishermixedwithsoda;auxiliaryrawmaterialforproducingalcoholandacetone;andanti-agingagentinrubberproduction.Itssolutionisusedinboilingandscouringofcottonclothandwool'sdegreasing.Inaddition,itisalsousedinmanufactureofprintingink,photograph-drug,polyester,explosives,electroplating,tanning,ceramic,buildingmaterials,crystalsandmedicine. Therelativedensityis2.428andthemeltingpointisat891degreeC. Itiseasilysolubleinwaterformingaslightlyalkalinesolution. Itisinsolubleinalcoholandether.Ithasstronghygroscopicity. IteasilycakesandturnsintoPotassiumBicarbonatethroughabsorbingcarbondioxide whenexposedtotheairforalongtime.