Sodium sulphide

Sulfide bụ sodium (sodium sulphide technical) bụ a compound nke na ọtụtụ-eji ụlọ ọrụ. N'ihi ya, a umi na-eji nkà mmụta banyere ígwè, chemical, ìhè ụlọ ọrụ na ndị ọzọ ọrụ. Sodium sulphide, akpan akpan, na-eji ke imewe nke pulp, e ji esiji ákwà, na nhazi nke akpụkpọ anụ. Umi na-eji na-agbaze nke ụfọdụ ndị na-abụghị ferrous ọla. Sodium sulfide dị oké mkpa na ubi nke gbasara nyocha onwu. Ọ na-eji dị ka a reagent dị iche iche n'ibu.

Sodium sulphide. Formula (Na2S)

The nkịtị anụ ahụ ala nke okwu a na-ewere homogeneous uka, nke na-elu-uche, ma ọ bụ hygroscopic kristal. The umi emepụta n'ụdị a monolith 3 ụkpụrụ ke particulate ụdị (n'ụdị flakes ma ọ bụ nsogbu dị iche iche). Tee kwere ngwaahịa na-enwe ìhè-agba aja aja, icha mmirimmiri-acha odo odo ma ọ bụ grayish agba. More ufiop ma ọ bụ ihe ọ bụla ọzọ na agba na-egosi ịrịba ọxịdashọn mmadụ. Dị otú ahụ sodium sulfide na tụfuru bara uru Njirimara ekwesighi ka bara uru iji. The ngwaahịa nwere oru nzube nke iri isii na atọ na iri isii na asaa percent nke isi ihe n'okpuru ọnọdụ na uka nta nke ndị unyi anaghị agbasa na fọduru bụ karịa a ọkara percent.

Na dị na nhazi ọkwa nke larịị nke ize ndụ ụmụ mmadụ na sodium sulfurous kenyere klas nke abụọ. Product bụ flammable na-agbawa agbawa. Banyere nke a, ọ ka mma na-echekwa ihe na mechiri emechi ụlọ na-onwem na niile ụlọ ọrụ dị mkpa iji hụ na ọkụ nchekwa. Ọ na-adịghị atụ aro iji wepụ ngwugwu na ngwaahịa ruo kpọmkwem ngwa nke umi. Ma na-ike n'ezi ihe nke containers sodium sulfide nwere ike ịchekwa n'ihi na ruo afọ abụọ. Okwu irè ojiji nke a bụ naanị otu afọ.

Transportation nke ngwaahịa a ga-rụrụ site na ụzọ ọ bụla nke iga na mechiri emechi ugbala ma ọ bụ containers. Ukwuu anya ga-akwụ ụgwọ iji loading na ebutu nke ihe onwunwe, karịsịa ma ọ bụrụ na ọ na-ẹkekerede kpọmkwem kọntaktị na ngwaahịa, packaged ke mgbanwe containers. N'oge njem zere nwa oge nchekwa na-emeghe ebe ọ bụ depots, agụghị oké onwem ime nke a.

Nka na ụzụ sodium sulfide Chinese mmepụta a na juru n'ọnụ ke pụrụ iche na akpa iri abụọ na ise kilogram. Packaging enye nchebe si akaghi ọxịdashọn na n'ebe ìhè. Ọzọkwa, dị ka a nkwakọ ígwè rụọ na-eji nanị maka chemical ngwaahịa, ndị containers (CK-1-5 (7)), ma ọ bụ dị ka adụ containers maka otu were. The umi nwere ike packaged ke akwụkwọ akpa (four- ma ọ bụ ise-oyi akwa) na ihe dị n'ime liner - polyethylene akpa. The akpa nwere ike ịbụ net ibu bụghị ihe karịrị iri ise kilogram.

Juru n'ọnụ na pụrụ iche containers umi na-gaa na inyefe ngwaahịa oghe ụdị.

Product njupụta dị 1,856 gram kwa cubic sentimita. -Agbaze okpomọkụ esịmde 1180 degrees. The ngwaahịa bụ ukwuu hygroscopic. Na mmiri na iri abụọ degrees etisasịwo 13,6% na 97,5 degrees - 45% nke ihe onwunwe. The ngwaahịa bụ ike nke na-akpụ crystalline hydrates. N'ihi na okenye agbanwe agbanwe nke sodium sulfide oru e ji mara alkaline mmeghachi omume.

The hydrolysis a rụrụ na sodium sulphide nakwa dị ka salts nke na-guzobere a na-adịghị ike acid na a siri ike isi. Phenolphtalein na a ule tube na a ngwọta na-aghọ pink. Nke a na-egosi na alkaline ajụ a kpụrụ na ule tube. N'ihi ya, sodium sulfide, nakwa dị ka ndị ọzọ salts nke na-guzobere a na-adịghị ike acid na a siri ike isi, hydrolysed na-etolite dị ka a n'ihi nke alkali.