Kev Sib Koom Paub

1. Kev Taw Qhia Cov xuab zeb quartz uas tau ua kom zoo, hmoov quartz, yog kev siv cov khoom siv ua kom huv si quartz ore, cov khoom muaj qib siab (SiO2 = 99.82%, Fe2O3 = 0.37, Al2O3 = 0.072, CaO = 0.14), xim dawb, muaj zog tawv (Mohs xya degrees lossis ntau dua ...

1. Ammonia nitrogen yog dab tsi? Ammonia nitrogen yog hais txog ammonia uas yog ammonia dawb (lossis ammonia tsis yog ionic, NH3) lossis ionic ammonia (NH4+). pH siab dua thiab feem pua ​​ntawm ammonia dawb ntau dua; Ntawm qhov tod tes, feem pua ​​ntawm ammo...

Chelate, cov chelate tsim los ntawm cov neeg sawv cev chelating, los ntawm lo lus Greek Chele, txhais tau tias tus cw ntses. Chelates zoo li tus cw ntses tuav cov hlau ions, uas ruaj khov heev thiab yooj yim tshem tawm lossis siv cov hlau ions no....

1. Cov kua qaub vitriolMolecular formula H2SO4, tsis muaj xim lossis xim av oily kua, muaj zog oxidizing tus neeg sawv cev, corrosive tshuab yog heev absorbent, ib tug loj ntawm cov cua sov tso tawm nyob rau hauv dej, cov kua qaub yuav tsum tau ntxiv rau hauv dej thaum diluted, thiab ...

Sodium carboxymethyl cellulose (CMC) yog ib qho anionic, ncaj saw, dej-soluble cellulose ether, ib qho derivative ntawm ntuj cellulose thiab chloroacetic acid los ntawm kev hloov kho tshuaj lom neeg. Nws cov kua dej muaj cov haujlwm ntawm thickening, ...

Sodium tripolyphosphate yog ib hom inorganic compound, dawb crystalline hmoov, soluble hauv dej, alkaline kua, yog ib qho amorphous dej-soluble linear polyphosphate. Sodium tripolyphosphate muaj cov haujlwm ntawm chelating, suspend ...

Potassium chloride yog ib qho inorganic compound, dawb siv lead ua, tsis muaj ntxhiab, ntsev, zoo li ntsev. Soluble hauv dej, ether, glycerin thiab alkali, me ntsis soluble hauv ethanol (insoluble hauv anhydrous ethanol), hygroscopic, yooj yim rau caking;...

Kev lag luam hauv hluav taws xob Selenium muaj cov khoom photosensitivity thiab semiconductor, thiab feem ntau siv rau hauv kev lag luam hauv hluav taws xob los tsim cov photocells, photosensors, laser devices, infrared controllers, photocells, photoresistors, opt ...

Calcium chloride muab faib ua calcium chloride dihydrate thiab anhydrous calcium chloride raws li cov dej siv lead ua uas muaj. Cov khoom muaj nyob rau hauv cov hmoov, flake thiab granular daim ntawv. Raws li qib yog muab faib ua indust ...

Lub luag haujlwm ntawm glacial acetic acid hauv kev lag luam ntxhua khaub ncaws 1. Acid yaj ua haujlwm hauv kev tshem tawm cov xim Acetic acid ua cov organic vinegar, nws tuaj yeem yaj tannic acid, txiv hmab txiv ntoo acid thiab lwm yam ntxwv ntawm cov organic acid, cov nyom stains, kua txiv ...

Aliphatic cawv polyoxyethylene ether sodium sulfate (AES) yog ib qho gel nplaum dawb los yog daj daj, yooj yim yaj hauv dej. Nws muaj cov khoom zoo heev rau kev tshem tawm cov pa phem, emulsification thiab ua npuas dej. Yooj yim rau biodegradation, biodegradation deg ...

Cov dej khib nyiab uas muaj kua qaub yog cov dej khib nyiab uas muaj pH tsawg dua 6. Raws li ntau hom thiab cov kua qaub sib txawv, cov dej khib nyiab uas muaj kua qaub tuaj yeem muab faib ua cov dej khib nyiab uas tsis muaj kua qaub thiab cov dej khib nyiab uas muaj kua qaub. Cov khib nyiab uas muaj kua qaub...