sodium fomu 98%
Physicochemical properties:
1.White powder: Kutora mvura, kunhuhwirira kuduku kwefomic acid.
2.Kunyungudika: 253℃
3.Relative density: 1.191g / cm3
4.Solubility: Soluble mu glycerin, zvishoma kunyunguduka mudoro, doro, insoluble mu ether.
Storge
1.Chengetedza munzvimbo inotonhorera, yakaoma, inofefetera zvakanaka, dzivisa zuva rakananga, kure nekupisa, asidi, mvura, uye mhepo yakanyorova.
2.Kuvhara kuchengetedzwa kwakaoma. Akamisikidzwa nemapepa epurasitiki aripo, uye jasi rakarukwa bag packing. Sezvinotarwa mune zvakajairika makemikari kuchengetedza uye kutakura.
Quality specification
| Ongorora chirongwa | Zviratidziro zvehunyanzvi uye nhanho yechigadzirwa | ||
| Super Giredhi | First Grade | Normal Grade | |
| kuchena, %≥ | 97.00% | 95.00% | 93.00% |
| NaOH, %≤ | 0.05 | 0.5 | 1 |
| Na2C03, %≤ | 1.3 | 1.5 | 2 |
| NaCL, %≤ | 0.5 | 1.5 | 3 |
| Na2S, %≤ | 0.06 | 0.08 | 0.1 |
| Mvura, %≤ | 0.5 | 1 | 1.5 |
Shandisa
1.Inoshandiswa muindasitiri yematehwe, sematehwe ekutsvuka, catalyzer, disifec-tor inoshandiswa secamouflage munyu mune chrome tanning nzira.
2.Shandisa mune catalyst uye stabilizer zvinyorwa.
3. Shandisa mumucheka wekudhaya sechinhu chinoderedza.
4. Inoshandiswa muzvinyorwa zvekugadzira sodium hydrosul-phite, formic acid uye oxalic acid.
5. Inoshandiswa se-anti-frosting agent mukrete.
6. simbi inokosha.
7. Sezvo buffer chiito, kugadzirisa kukosha kwePHin yakasimba acid.
