牙膏用羧甲基纖維素鈉CMC產(chǎn)品型號和質(zhì)量指標(biāo)
型號 | IH10 | IH9 | ||
指標(biāo) | IH10-1 | IH10-2 | ||
取代度(D.S) | ≥1.00 | ≥1.00 | ≥0.92 | |
粘度（2%的水溶液，25℃） | 950-1200 | 950-1200 | 950-1200 | |
粘度(1.5%甘油溶液) | 即時(shí)粘度 | —— | 7500-10500 | —— |
24h粘度 | —— | 12000-16000 | —— | |
PH值 | 6.5-8.0 | 6.5-8.0 | 6.5-8.0 | |
氯化物(以NaCl%計(jì)) | ≤3.0 | ≤3.0 | ≤3.0 | |
干燥減量(%) | ≤7.0 | ≤7.0 | ≤7.0 | |
鹽粘比 (%) | ≥100 | ≥100 | ≥95 | |
菌落總數(shù)(cfu/g) | ≤100 | ≤100 | ≤100 | |
重金屬(%)(以Pb計(jì))(Pb%) | ≤0.002 | ≤0.002 | ≤0.002 | |
砷(%) | ≤0.0005 | ≤0.0005 | ≤0.0005 | |
鐵(%) | ≤0.03 | ≤0.03 | ≤0.03 | |
