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可溶性淀粉

可溶性淀粉用途

1. 测定麦芽和血清中的淀粉酶活力，碘量滴定分析法指示剂。血液非蛋白氮的检验，测定血清钠。

2. 在石油钻井中作水基泥浆的降滤失剂。

可溶性淀粉名称

[ CAS 号 ]:
9005-84-9

[ 中文名 ]:
可溶性淀粉

[ 英文名 ]:
Starch soluble

[中文别名 ]:

淀粉糊精

[英文别名 ]:

MFCD00082026
α-D-Glucopyranose, 4-O-α-D-glucopyranosyl-
a-Maltose
4-O-α-D-Glucopyranosyl-α-D-glucopyranose
Starch soluble
Amylodextrin

可溶性淀粉物理化学性质

[ 密度 ]:
1.8±0.1 g/cm3

[ 沸点 ]:
667.9±55.0 °C at 760 mmHg

[ 熔点 ]:
256-258 °C (dec.)(lit.)

[ 分子式 ]:
C₁₂H₂₂O₁₁

[ 分子量 ]:
342.297

[ 闪点 ]:
357.8±31.5 °C

[ 精确质量 ]:
342.116211

[ LogP ]:
-3.41

[ 外观性状 ]:
Solid | white to off-white

[ 蒸汽压 ]:
0.0±4.6 mmHg at 25°C

[ 折射率 ]:
1.652

[ 储存条件 ]:
Storage temperature: no restrictions.

[ 水溶解性 ]:
H2O: passes test

可溶性淀粉安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危险品运输编码 ]:
NONH for all modes of transport

[ RTECS号 ]:
232-686-4

可溶性淀粉制备

1.将淀粉，氢氧化钠和氯乙酸按一定比例加入反应器中[淀粉︰氢氧化钠︰氯乙酸为1︰2︰1 （mol）]，以水-乙醇作溶剂，控制反应温度40～50 ℃进行碱化醚化，5 h后终止反应。用冰醋酸调pH值至中性，浓缩结晶，过滤，用乙醇洗滤饼至无氯，干燥得产品。

2.不断搅拌下，将9～10kg的淀粉加到7L相对密度为1.06的分析纯盐酸中，充分搅拌10～12h，使温度不超
过25℃。检验（溶解度试验及与碘的反应检验）合格后，停止搅动，静置分层，弃去上层清液，沉淀经抽滤后，用冷纯水倾洗法洗涤至洗涤水与刚果红呈中性反应，抽干。在低于25℃温度下干燥即可。

可溶性淀粉文献

Allomorph distribution and granule structure of lotus rhizome C-type starch during gelatinization.

Food Chem. 142 , 408-15, (2014)

The allomorph distribution and granule structure of C-type starch from lotus rhizomes were investigated using a combination of techniques during gelatinization. The disruption of crystallinity during ...

Solar energy assisted starch-stabilized palladium nanoparticles and their application in C-C coupling reactions.

J. Nanosci. Nanotechnol. 13(7) , 5061-8, (2013)

Present work reports a novel one step, greener protocol for the synthesis of starch-stabilized palladium nanoparticles (PdNPs) with an average particle diameter of 30-40 nm. These particles were stabl...

Starch/polyvinyl alcohol blended materials used as solid carbon source for tertiary denitrification of secondary effluent.

J. Environ. Sci. (China) 25(10) , 1972-9, (2013)

Starch/polyvinyl alcohol (PVA) blended materials for using as a solid carbon source (SCS) were prepared by blending PVA and gelatinized starch in an aqueous solution system, in which PVA served as fra...

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