Taw qhia ：
Sodium acid pyrophosphate yog siv los ua lub hnub qub rau cov zaub mov ci, tswj kev ua kom muaj lub siab ceev; siv rau cov mij nyias, txo lub sijhawm ntawm kev nqus dej ntawm cov khoom tiav, tsis nplaum; siv rau biscuits thiab ncuav, ua kom lub sijhawm fermentation luv, txo cov khoom tawg, xoob Lub khoob yog qhov zoo thiab lub sijhawm khaws cia tuaj yeem txuas ntxiv.
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Specification:
| Yam khoom | Txuj Ci |
| Tsos | siv lead ua dawb lossis hmoov |
| Cov Ntsiab Lus (Na2H2P2O7)% ≥ | 95.0 |
| Phosphorus pentoxide (P2O5) | 63.0-64.0 |
| PH tus nqi | 3.5—4.5 |
| Dej-insoluble% ≤ | 1.0 |
| Cov tshuaj fluoride (F)% ≤ | 10 ppm |
| Cov hlau hnyav (Pb) ≤ | 10 ppm |
| Lead (Pb) ≤ | 4 ppm |
| Cadmium (Cd) ≤ | 1 ppm |
| Mercury (Hg) ≤ | 1 ppm |
| Mercury (Hg) ≤ | 1 ppm |
| Arsenic (Raws li)% ≤ | 3 ppm |
| Poob rau kev hlawv (105 ℃)% ≤ | 0.5 |
| Cia | hauv qhov chaw qhuav thiab txias |
| Ntim | 25 kg ib hnab |
daim ntawv thov
Kev siv tshuab hluav taws xob yog siv los npaj cov tshuaj electroplating, uas tuaj yeem tsim cov qauv nrog cov hlau. Kev lag luam tsiaj siv los ua cov plaub hau degreasing tus neeg sawv cev thiab ntaub plaub tshuaj tsw qab. Daim ntawv kev lag luam yog siv rau tshuaj dawb cov ntawv thiab zaub paj ntoo. Luam tawm thiab dyeing kev lag luam raws li luam ntawv thiab dyeing, nplua tshuaj pabcuam kev pabcuam. Siv los ua cov tshuaj txhuam hniav additive hauv kev lag luam tshuaj lom neeg txhua hnub, nws tuaj yeem tsim colloid nrog calcium hydrogen phosphate thiab ua si lub luag haujlwm ruaj khov. Nws kuj tseem siv tau hauv hluavtaws xab npum thiab kev tsim khoom ntawm cov khoom xws li tshuaj zawv plaub hau. Raws li ua kom quav muag dej hauv kev kho dej. Raws li kev xeb hauv kev ua lub tshuab. Siv ua dispersant thiab emulsifier hauv kev lag luam chemical. Nws kuj tseem siv tau rau hauv tus neeg saib xyuas kev kho dej, roj twj thiab lwm yam, raws li kev ua kom tsis zoo, emulsifier, tus neeg sawv cev tus neeg sawv cev, chelating tus neeg saib xyuas thiab zoo li ntawd hauv kev lag luam khoom noj khoom haus.
Sodium pyrophosphate muaj qhov ua haujlwm ntawm qhov muag dej, tab sis kuj tuaj yeem zom cov ntsev tsis muaj kab mob ntawm calcium thiab magnesium, xws li khaub ncaws fiber ntau, sib xyaw nrog insoluble calcium xab npum lossis lwm cov tshuaj ntxuav tes ua kom muaj plua plav, nws tuaj yeem ua nws txoj kev rov ua kom zoo dua qub thiab txhim kho kev muaj peev xwm ua kom muaj peev xwm. Tsis tas li ntawd, sodium pyrophosphate muaj cov nyhuv ntawm counter-flocculation rau emulsify roj, uas yog hu ua khoom ntiag tug colloidal. Nws tseem tuaj yeem ua rau cov kev daws teeb meem txuas ntxiv txo qhov nro thiab cuam tshuam ntawm qhov nro, thiab ua lub luag haujlwm ntawm kev pab ntxuav.
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