1.01257
Starch
soluble acc. to Zulkowsky GR for analysis
Synonym(s):
Starch, Amylum, Potato starch for determination of diastase
About This Item
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Quality Level
form
solid
pH
6.0-7.5 (25 °C, 20 g/L in H2O)
solubility
50 g/L
bulk density
300 kg/m3
storage temp.
no temp limit
InChI
1S/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3-,4-,5-,6+,7-,8-,9-,10-,11+,12-/m1/s1
InChI key
GUBGYTABKSRVRQ-ASMJPISFSA-N
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General description
This starch quality is prepared according to a modified procedure published by Zulkowsky. The molecular weight is reduced to a mean by hydrolysis and oxidation.
Analysis Note
Appearance (description): fine powder
pH-value (2 %; water): 6.5 - 7.5
Sensitivity: passes test
Reducing matter (as maltose): ≤ 1.0 %
Sulfated ash: ≤ 7.0 %
Loss on drying (105 °C, 2 h): ≤ 10.0 %
Suitability as enzyme substrate (for amylases): passes test
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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