Ƙuntatawa na yau don mai wakilci mai laushi
Pottasche, wanda aka rubuta a matsayin potash ko pearlash, potassium carbonate, salts na tartar, da kuma carbonate na potash, wani lokaci ya bayyana a cikin lissafin sinadarai na kayan tsofaffin kayan lambu Jamus, wanda ya fi dacewa da girke-girke na gargajiya ( lebkuchen ). Kuna iya ganin ta a tare tare da amfanium carbonate) a wasu kayan girke-girke kamar kullun da ke amfana daga hasken amma wanda ya fi dacewa da rubutu.
Amfani da Potash da Pearlash na farko
Potash yana farawa tare da launi, wanda ta samar da ruwa ta hanyar yatsar toka. Yarda da ruwa mai laushi a bayan kullun. Yawancin amfani a Amirka a lokacin karni na 17 da 18th, potash ya kara daɗin abincin fure ga kayan da aka gasa. Pearlash, mai tsabtace fashe na potash, ya shafe wasu daga cikin abincin da ba'a so.
Masu cin abinci na farko sunyi tunanin cewa pearlash zai maye gurbin yisti a matsayin mai yisti, amma saboda mummunan abincinsa, ba wai kawai ya maye gurbin yisti ba amma an maye gurbinsa da soda. Bugu da ƙari, pearlash bai yi aiki sosai a cikin batters dauke da wani babban rabo na mai, samar da wani soapy dandano ba gaba daya ba tsammani tun potash da mai zama tushen don sabunta gida.
Ayyukan Potash da Pearlash
Gishiri na alkaline, pearlash ko potassium carbonate (K 2 CO 3 ) ya haɗu da ruwa ko acid kamar madara mai tsami, ruwan 'ya'yan itace, ko molasses don ƙirƙirar carbon dioxide, wanda ya ba da kayan kwalliya.
Soda shinge (sodium bicarbonate) duk da haka ya maye gurbin shi a cikin girke-girke na yau da kullum don kayayyakin da aka yi wa Jamus. Yi amfani da 1/2 teaspoon na soda burodi ga kowane teaspoon na pearlash da ake kira a cikin wani girke-girke. Ka lura cewa, dandano na samfurin na ƙarshe zai iya bambanta daga girke-girke na asali.
Wani masanin tarihin David Walbert ya bayyana cewa pearlash ya sauko da potassium da carbonate ions, wanda ya zama carbonic acid kuma ya fadi kamar carbon dioxide.
Maganin potassium daga pearlash yana ɗaure tare da ions hydroxide daga sashin ruwa, samar da potassium hydroxide. Don hana haɓakaccen ƙwaƙwalwa ko mai ɗanɗana mai potassium potassium hydroxide, dole ne ku ƙara wani acid don tsayar da shi, kodayake za ku iya yin amfani da ƙanshi na pearlash ba tare da acid.
Kayan shafawa na yau da kullum yana haxa soda mai yin burodi tare da acid don amfani a gurasa da sauri da sauran girke-girke waɗanda basu hada da wani abu mai sinadarai irin su man shanu, zuma, ko yogurt ba. Jamus yin burodi da foda, mai lafaɗen abincin guda ɗaya, ba ya aiki tare tare da nau'in nau'i nau'i biyu da aka samo a Amurka.