Product specification

Biochemical reagent

Export grade

Industrial grade

Standard

Yotech Standard

Yotech Standard

Yotech Standard

Assay                 ％

≥99.5 

≥99.0

≥98.5 

Melting point                 ℃

170-174 

168-172 

165-172 

Heavy metal (as Fe)      ％

≤0.001

≤0.0015 

≤0.002 

Glycine Hydrochloride         ％

≤0.8 

≤1.0

≤1.5 

Fe                ％

≤0.001 

≤0.0015 

≤0.002 

Residue on Ignition            ％

≤0.1 

≤0.15 

≤0.2

Clarity test (20％ solution)

clear colorless transparent

clear colorless transparent

clear colorless transparent

Arsenic (As)               ％

≤0.0003 

≤0.0004 

≤0.0005 

PH value (15％ Aq. solution/25℃)

1.0-2.0

1.0-2.0

1.0-2.0

Index of central control

Appearance Identification

white crystalline powder

white crystalline powder

white crystalline powder

Loss on dry (105℃/2H)  ％

≤0.1 

≤0.3 

≤0.5 

Whiteness (70-90umGranularity)   ％

≥95 

≥85 

≥80 

Transmission (15％ Aq. solution)   ％

≥99 

≥98 

≥96 

Foreign substance detection

≤1mm/10

≤1mm/10

≤1mm/10

Granularity (U.S.SCREEN)    mesh

90％ pass 40-100 mesh

90％ pass 40-100 mesh

90％ pass 40-100 mesh

Shelf life year

Two years

Two years

Two years

Supply reference

Production process

Refined method

synthesis method

synthesis method

Packing

20KG/12T/(20')FCL

650KG/13T/(20')FCL

20KG/12T/(20')FCL

650KG/13T/(20')FCL

20KG/12T/(20')FCL

650KG/13T/(20')FCL

Quantity for quoted price

FCL

FCL

FCL

Price          CNY/T

Validity period of quoted price

3 months

3 months

3 months