产品常规特性:
外貌:白色疏松状粉末
气味: 淡醋味
Test |
Specification |
Lot Test Frequency1 |
Test Procedure2 |
鉴定 色度 凝胶形成 红外线光谱 沉淀物测试 |
Pass Pass Pass Pass |
1:200 1:1 ---3 1:200 |
USP/NF; Ph. Eur. USP/NF; Ph. Eur. Ph. Eur.; JPE Ph. Eur. |
含量测定Assay % |
56.0 - 68.04 |
1:1 |
USP/NF |
粘度cP, 25°C Brookfield RVT, 20 rpm, neutralized to pH 7.3 - 7.8 0.2 wt% mucilage, spindle #6 0.5 wt% mucilage, spindle #7 |
13,000 – 30,000 40,000 – 60,000 |
1:1 1:1 |
Daedong Method5 USP/NF; Ph. Eur. |
透明度% 0.5% Dispersion, neutralized, 420 nm |
85 min |
1:1 |
Daedong Method |
干燥湿度% |
2.0 max |
1:1 |
USP/NF |
***含量ppm Total he***y metals, as Pb Specific metals: Hg, Pb, As, Sb |
20 max 10 max |
1:200 1:200 |
USP/NF Daedong Method |
残留溶剂 ***乙酯% ***% |
0.30 max 0.30 max |
1:1 1:1 |
Daedong Method Daedong Method |
剩余单体ppm 自由*** |
2,500 max |
1:1 |
Daedong Method |
***灰分% (Residue on ignition) |
2.5 max |
1:200 |
Ph. Eur.; JPE |
pH, 0.2% |
2.5 - 4.0 |
1:200 |
JPE |