Product Description
Cov ntaub ntawv khoom
|
Khoom npe |
Sodium Hydrosulphite / Sodium Hydrosulfite |
Purity |
85% 88% 90%. |
|
CAS Nr. |
7775-14-6 |
Qhov tshwm sim |
Dawb Crystal hmoov |
|
MF |
Na2S2O4 |
HS Code |
2831101000 |
|
EINECS NO. |
231-890-0 |
UN NO. |
1384 |
Certificate Of Analysis
|
SODIUM HYDROSULFITE 85 feem pua |
||
|
Yam khoom |
STANDARD |
KEV KAWM NTAWV |
|
Purity (wt feem pua) |
85 nqi |
85.84 |
|
Na2CO3 (wt%) |
3-4 |
3.41 |
|
Na2S2O3 (wt feem pua) |
1-2 |
1.39 |
|
Na2S2O5 (wt feem pua) |
5.5 -7.5 |
6.93 |
|
Na2SO3 (wt%) |
1-2 |
1.47 |
|
Fe (ppm) |
20 max |
18 |
|
Dej lnsoluble |
0.1 |
0.05 |
|
HCOONa |
0.05max |
0.04 |
|
Qhov tshwm sim |
Dawb crystalline hmoov |
|
|
tsw |
Tsis muaj los yog lub teeb sulfurous acid |
|
|
SODIUM HYDROSULFITE 88 feem pua |
|||||
|
Na2S2O4 feem pua |
Dej insolubs feem pua |
Cov ntsiab lus hlau hnyav (ppm) |
Na2CO3 feem pua |
Fe (ppm) |
Zn (ppm) |
|
88 MIN |
0.05MAX |
1 MAX |
1-5.0 |
20 MAX |
1 MAX |
|
88.59 |
0.043 |
0.34 |
3.68 |
18 |
0.9 |
|
APPRIENCE: Dawb CRYSTALLINE POWDER |
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|
QHOV CHAW: TSIS MUAJ SULFUR DIOXIDE |
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Kev thov cheeb tsam
Siv los txo dyeing, txo kev tu, luam ntawv thiab kho kom zoo nkauj hauv kev lag luam textile.
Cim npe nrov: sodium hydrosulfite 85% 88% 90 feem pua, Tuam Tshoj, manufacturers, lwm tus neeg, Hoobkas, pheej yig, luv nqi, hais, luv nqi, dawb qauv
