This document is a certificate of analysis from Guangzhou Ace Biotech Co., Ltd for a batch of 500kg of ethyl ascorbic acid. It provides the results of tests on the product to check that it meets specifications. All test results were within limits, including assays for appearance, odor, content, solubility, melting point, pH, loss on drying, ash, heavy metals, microbiological tests, and conclusion that the product conforms to specifications. Storage and packing instructions are also provided.

1. 广州鼎健一生物科技有限公司
GUANGZHOU ACE BIOTECH CO., LTD
Add:Eight Cube Creative Industry Park,Guangzhou,China
Tel:0086-20-86558723 Fax:0086-20-86558723
Website:www.acebiot.com Email:info@acebiotech.net
Certificate of Analysis
Product Name Ethyl Ascorbic Acid Manufacture Date 2021.11.07
Batch Number 2021110789 Quantity 500kg Expiry Date 2023.11.06
Item of Test Limits of Test Results of Test
Appearance White crystal powder Conforms
Odor Characteristic Characteristic
Content ≥99% 99.07%
Solubility Easily dissolve in water Conforms
Melting point 111.0℃-115.0℃ Conforms
PH 4.0-5.0 Conforms
Loss on drying ≤1% Conforms
Ash ≤1% Conforms
Heavy Metals ≤10ppm Conforms
Lead ≤3ppm <1ppm
Arsenic ≤2ppm <1ppm
Total Plate Count ≤1000cfu/g <10cfu/g
Yeast & Mold ≤100cfu/g <15cfu/g
E.Coli Negative Conforms
Salmonella Negative Conforms
Conclusion Conform with specification
Storage Store in cool & dry place, Keep away from strong light and heat.
Packing description Packed in paper-drums and two plastic-bags inside.
ANALYST: ZHAN XIAOTONG CHECKED BY:PAN FENG CHIEF OF Q.A. DEPT:WANG JIANBO
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