Kaiwhakaora Whakapaipai Konutai Benzoate Āhua Ahumahi

Whakaahua Matua o te Pūmau Whakapaipai Konutai Benzoate Āhua Ahumahi

whakaahuatanga poto:

He matū nui rawa atu te konutai benzoate i roto i te taumata ahumahi, e tautuhia ana ko te tote konutai o te waikawa benzoic, i hangaia mō te whakahaere i ngā huakita whai hua nui. Hei matū tiaki matua, ka tukuna e te konutai benzoate te aukati whānui i ngā huakita, ngā harore, me ngā momo rewena, ka waiho hei wāhanga matua i roto i te tukatuka kai papatipu, te hanga inu, me ngā tukanga hanga rongoā. Ko tēnei paura tioata ma, he kore wai, e whakaatu ana i te wairewatanga pai rawa atu (tae atu ki te 600g/L i te 25°C) me te pumau pH i roto i ngā matrices waikawa (pH 2.5–4.0), e āhei ai te horapa ōrite i roto i ngā puranga ahumahi nui-rahi.

I roto i ngā horopaki hangahanga, ka mahi anō te konutai benzoate hei whakarerekē pH me te aukati waikura i roto i ētahi tukanga matū, me te iti o te piki me te hototahi ki ngā mea tāpiri noa. I hangaia mā te whakakore i te waikawa benzoic me te konutai hauwai, ka tutuki i te konutai benzoate taumata-ahumahi ngā paerewa parakore tino pakari (≥99.5%) hei whakarite i te mahi pumau. Mō ngā rāngai e hiahia ana kia roa ake te wā e mau ana, kia whakaitihia rānei te pirau moroiti, ka noho tonu te konutai benzoate hei wāhanga mahi whai hua, whai ture hoki.

Tukua mai he īmēra ki a mātou

Taipitopito Hua

Ngā Tohu Hua

Whakaahuatanga

Kāwai	Taonga Taonga	Whakatakotoranga
Ngā Mōhiohio Taketake	Tātai Matū	C₇H₅NaO₂
	Taumaha ngota	144.11 karamu/mol
	Tau CAS	532-32-1
	Ingoa IUPAC	Konutai benzoate
Ngā Āhuatanga Ā-tinana	Āhua	Paura tioata mā, kore wai; kāore he puranga
	Kakara	Kore kakara
	Te Pūmautanga o te Wera	Ka pirau i te ~410°C (kāore he ira rewa motuhake)
	Te wairewatanga (25°C)	≥600 g/L i roto i te wai; he paku wairewa i roto i te etanoru; kāore e wairewa i roto i te etera
	Kiato (20°C)	1.44 karamu/cm³
	Uara pH (1% Wairewa)	2.5–4.0
	Rahi Matūriki (Paenga Ahumahi)	80–200 mata (ka taea te whakarite)
Ngā Āhuatanga Matū	Akomanga Matū	Te tote konutai o te waikawa benzoic (pūhui carboxylate)
	Te pumau	Pūmau i raro i ngā tikanga rokiroki noa; tairongo ki ngā taiao kawakore kaha
	Te tauhohenga	Hototahi ki te nuinga o ngā matū waro/kore waro; karohia ngā matū whakahāora kaha
	Mahi Tiaki	Te aukati whānui i ngā huakita, ngā harore, me te rewena (tino pai i te pH 2.5–4.0)
Ngā Whakatakotoranga Kounga	Te Parakore (Pūtake Maroke)	≥99.5% (e tutuki ana i ngā paerewa GB21703/USP/FCC)
	Te Ihirangi Makuku	≤0.5%
	Ngā konganuku taumaha (hei Pb)	≤10 mg/kg
Ngā Āhuatanga Rokiroki	Te aro ki te makuku	Ātete ki te haumākū; ka ngawari te piri mena ka nui te haumākū
	Te pāmahana rokiroki e taunakitia ana	15–30°C (kaua e pā ki te rā tika)
	Te Ora o te Wāhi (Kāore anō kia whakatuwheratia)	24 marama i raro i ngā tikanga rokiroki tika

Ko te Sodium Benzoate (CAS 532-32-1) he tāpiri matū maha-mahi nui, he mea tiaki matua hoki i roto i te hanga hou, e mōhiotia ana mō tōna kaha tino pai ki te aukati i ngā huakita me te hototahi whānui ki te hanganga. Hei tote konutai pumau o te waikawa benzoic, ka mahi hei kaihoko ārai-whakangaromanga tino whai hua, ka pehi pai i te tipu o ngā huakita kino me te pupuri tonu i ngā āhuatanga o roto o ngā hua e whaihia ana, kia tutuki ai ngā whakaritenga kounga me te haumaru pakari puta noa i ngā ahumahi rerekē.

He whānuitia te whakamahinga i ngā mākete o te ao, ā, e whakamahia ana i roto i te hanga kai me ngā inu (hei tauira, ngā inu warowaihā, ngā mīti tukatuka, ngā pīkara, me ngā kai tunua), ngā rongoā (ngā rongoā wai, ngā kirimi pani, me ngā whakatārewatanga waha), ngā hua tiaki whaiaro (ngā hinu tiaki kiri, ngā hopi horoi makawe, me ngā mea whakapaipai), tae atu ki ngā hanganga maimoatanga wai ahumahi me ngā whāngai kararehe. Ka whakawhirinaki ēnei whakamahinga ki āna mahi tiaki me te whakahaere pH hei whakaroa i te roa o te oranga o te hua, hei whakarei ake i te pumau o te hanganga, me te whakarite i te haumaru o te hua whakamutunga.

He maha ngā kōwhiringa taumata o tā mātou hua Sodium Benzoate (kai, rongoā, me ngā taumata ahumahi) hei whakatutuki i ngā momo whakamahinga rerekē, me ngā pūnaha whakahaere kounga tino pakari e whakarite ana i te parakore teitei (≥99.5%) me te iti rawa o te ihirangi konganuku taumaha. Ka oati mātou ki te tuku pūmau i te nuinga, ngā tuhinga ture katoa (tae atu ki te MSDS me te tiwhikete ā-ao), me ngā otinga whakahaere ritenga mō te kawe haumaru. Hei tāpiri, ka whakaratohia e tā mātou tīma hangarau ngaio te tautoko whaiaro—pēnei i te whakamātautau hototahi whakatakotoranga me te aratohu arotau inenga—hei āwhina i a koe ki te whakapai ake i te pai o te whakaputa me te whakarite kia tutuki i ngā paerewa haumaru ā-rohe.

Whakatakotoranga o te Xylene

Taonga	Whakatakotoranga
Whakamātautau o te Konutai Benzoate (i runga i te pūtake maroke) w/%	99.0–100.5
Ngaronga i te whakamaroke, w/% ≤	1.5
Whakamātautau māramatanga o te otinga	Pāhi
Te waikawa, te kawakore rānei	Pāhi
Te whanariki (hei SO₄) w/% ≤	0.1
Ngā matū e tere ana te waikura	Pāhi

Te Tākai o te Xylene

I roto i te pūwero kirihou.

Rokiroki: Rokirokihia ki roto i tētahi whare putunga hauhautanga, maroke, ā, he pai te hauhautanga; kia motuhake mai i ngā waikawa kaha me ngā matū whakahāora kaha.