Phenolphthalein sample - akara mmewere

Ọ bụ mba na nzuzo na mgbe na ojiji nke ọgwụ na ahụ ike na ngwaọrụ na ngwaahịa ha mkpa ka a nke ọma emeso-ewepụ ihe niile di iche iche nke mmetọ. Iji mezuo nke a, ụzọ dị iche iche na-eji. Mgbe ọgwụgwọ na detergents dị na methodical Aro MH 28-6 / 13 dere 08.06.1982 nke phenolphthalein sample ga-abụrụ-egbu.

Inye samples

Maka nnyocha nke àgwà nke ọgwụgwọ (saa) n'elu ọ bụla ngwá ọrụ detergents na ndị ọzọ na contaminants dị njikere dị iche iche ihe ngwọta. Phenolphthalein sample bụ naanị otu onye n'ime ha na nzọụkwụ nke achọpụta na ọnụnọ nke ihe mmapụta ichekwa detergents, ya bụ - ha alkaline mmiri. N'ihi ya, mmejuputa iwu, a ngwọta nke umi. Dị ka ụkpụrụ nduzi, ọ dị mkpa iji mee ka a 1% phenolphthalein ngwọta. Ozugbo mmalite nke ya nkwadebe na nwale nke àgwà nhazi ngwaọrụ.

Iduziri ule Phenolphthalein

Ọ a rụrụ ọtụtụ nkebi. Ke akpa itie na ngwá ọrụ etinyere 2-3 tụlee nke phenolphthalein ngwọta. Ọ ga-esi na-njikọ nke na-akpụ akpụ akụkụ na ebe a ọnya n'elu. Nke a bụ n'ihi na ihe ize ndụ nke na kọntaktị ize ndụ Chemicals na organic bekee site na ọrịa ọbara.

Na nzọụkwụ ọzọ ẹkesikpede achọpụtazi ogo staining ngwọta. Phenolphthalein sample-egosi dị iche iche kasịnụ nke alkali. Ọdịdị nke pink agba na-egosi na ọnụnọ nke ọjọọ saa surfactants. Ọnụnọ nke brownish sample-egosi ọnụnọ nke nchara na chlorine-nwere oxidizing mmadụ. N'ọnọdụ ndị ọzọ, ndị staining bụ pink-acha odo odo shades. Mgbe ịchọputa agba mgbanwe nke sample-emeso ya na dum ogbe nke ngwaọrụ na-eduzi na ugboro ugboro saa na mmiri pọmpụ. Ha na-mgbe-emeso ya na distilled mmiri.

Mgbe saa ngwá na-enịm ke pụrụ iche containers na a ihicha ihe ngwọta. Ha na-eji presterilizing re-nhazi. Akpan akpan anya na-akwụ ụgwọ na àgwà nke ihicha nke catheters na ndị ọzọ na oghere ngwaahịa. N'ihi na nke a phenolphthalein sample ẹkenịmde n'ime ngwá ọrụ site na-ewebata ihe ngwọta na-eji a pipette ma ọ bụ ntụtụ. The reagent kwesịrị ịnọgide n'ime ngwaahịa maka 30-60 sekọnd. Mgbe ahụ, ọ na-wụsara n'ime a anụ ahụ na tụnyere LEDs.

Okwu nke sample

Dị na ugbu a ụkpụrụ mwube Phenolphthalein sample a rụrụ na nkeji (1% nke ngwá n'out oge esichara, ma ọ bụghị ihe na-erughị atọ nkeji - na mbụ tupu itinye on nwoke ịga ụlọ ọgwụ); centralized nwoke ịga ụlọ ọgwụ (1% niile ngwaahịa aha na e esichara maka mgbanwe). The results nke nlekota usoro e dere n'ụdị №366 / y.

Control ọkachamara nke disinfection na ịdị ọcha-epidemiological ụgbọ maka igba ogwu na-ọcha na nlekọta ahụ ike na ụlọ ọrụ na a quarterly ndabere. Mgbe ogbenye-quality nhazi nke niile nke ogwugwo ngwá na ngwaọrụ ahụike ikekwe oria ọnyá n'oge arụmọrụ, mmepe nke ịba ọcha n'anya na AIDS.