Suppliers with verified business licenses
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ITEM
|
SPECIFICATION
|
TEST RESULTS
|
|
Assay
|
85 %
|
85.15%
|
|
Color, fresh
|
Max 50Apha
|
35Apha
|
|
Ether-insoluble substances
|
Passes test
|
Passes test
|
|
Methanol
|
Max.0.2%
|
< 0.2%
|
|
Calcium salt
|
No turbidity
|
< 100ppm
|
|
Sulphates
|
Max 10ppm
|
< 10ppm
|
|
Chlorides
|
Max 10ppm
|
< 10ppm
|
|
Residue on ignition
|
Max 0.05%
|
< 0.02%
|
|
Iron
|
Max 10ppm
|
< 10ppm
|
|
Total heavy metals
|
Max 10ppm
|
< 10ppm
|
|
Lead
|
Max 0.5ppm
|
< 0.5ppm
|
|
Arsenic
|
Max 1ppm
|
<1ppm
|
|
Mercury
|
Max 1ppm
|
< 1ppm
|
|
Cyanide
|
Max 5ppm
|
< 5ppm
|
|
Limit of Citric, Oxalic, Phosphoric and Tartaric Acid
|
No turbidity
|
passes test
|
|
Reducing sugars
|
No red sediment
|
passes test
|
|
SPECIFICATION
|
Not deeper than slight yellow
|
passes test
|
Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
Suppliers with verified business licenses
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