產(chǎn)品名稱

Product Name

水溶性鞣酸蛋白

Water-soluble tannalbin

CAS  NO.

———

產(chǎn)品批號

Batch No.

HBWS-20250301

產(chǎn)品貨號

Product Code

HBW-R107

檢測日期

Test Date

2025-03-12

包裝規(guī)格

Packaging

25KG/桶/Drum

復(fù)測日期

Retest Date

2027-03-11

檢驗項目

Test Items

檢驗指標(biāo)

Standard

檢驗結(jié)果

Test Results

性狀

Characteristics

為黃棕色粉末

Yellow brown powder

符合規(guī)定

Complies

鑒別

Identification

A：取本品0.1g,加乙醇10ml, 振搖混合，濾過，濾液加三氯化鐵試液1滴，顯青紫色到青黑色,放置后生成青黑色沉淀

Take 0.1g of this product, add 10ml of ethanol, shake and mix, filter, add 1 drop of ferric chloride test solution to the filtrate, it turns blue purple to blue black, and after leaving it, a blue black precipitate is generated

B:取本品約 0.lg，加硝酸5ml，溶液顯黃色

Take about 0.1g of this product and add 5ml of nitric acid. The solution turns yellow

符合規(guī)定

Complies

溶解性

Solubility

取本品0.5g加水100ml，攪拌，應(yīng)形成穩(wěn)定乳狀液,4小時內(nèi)不產(chǎn)生沉降

Take 0.5g of this product and add 100ml of water. Stir to form a stable emulsion that does not settle within 4 hours

符合規(guī)定

Complies

干燥失重

Loss on drying

≤5.0%

3.7%

熾灼殘渣

Residue on ignition

≤2.5%

1.3%

含量（氮）

Assay（N）

≥8.0%（干品計，anhydrous substance）

8.2%

結(jié)論

Conclusion

本品符合企業(yè)內(nèi)控質(zhì)量標(biāo)準(zhǔn)

Complies with In-house standard

儲存

Storage

遮光、干燥、密封、陰涼處儲存

Preserve in tight containers and store in a dry place