Min njokkii e njuɓɓudi laamu “Kalite ko top-kalite, Sarwisaaji ko toowɗi, Popularity ko adii”, e min mbaɗa e ɓernde laaɓnde e renndinde nafoore e denndaangal kiliyaneeɓe ngam Coodgu Factory 60% Min Na2s Yellow Flakes Sodium Sulphide Flake Red, Min njahata ko e jokkude e tiiɗnaade ngam ɓeydude sosiyetee amen e rokkude rang agresi moƴƴo. Kala naamnal walla miijo ina weltina no feewi. Siftor heɓde en e dow wellitaare.
En njokkii e njuɓɓudi tenet “Kalite ko top-kalite, Sarwisaaji ko toowɗi, Popularity ko adii”, e maa sincere sosde e renndinde nafoore e denndaangal kiliyaneeɓe ngam , E ruuhu enterprising” toowɗo efficacité, wellitaare, coggu e kesam-hesaagu”, e nder jokkondire e hono ndeeɗoo tiiɗnaare ardorde “global wonde e “good, better gollondirde e sosiyeteeji pecce otooji e nder winndere ndee kala ngam waɗde gollondiral winnderewal.













Anndinde Sulfide Sodium
Sulfide sodium ko ɓuuɓri
Ko ɓuuɓri asid asetik glacial: 1+10
Kosam tiitoonde teskinnde e iyod : ko ina wona 0,1 mol/L
Tiosulfaat sodium ko ɓuuɓri tiitoonde : ko ina wona 0,1 mol/L
Kuulal kollitoowal amidon
95% ko etanol
Kosam karbonaat sodium : 10%
Kosam sulfaat sink : 10%