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等级
ACS reagent
质量水平
蒸汽密度
4.9 (vs air)
方案
98.0-102.0%
表单
powder
杂质
≤0.005% Insoluble matter
pH值（酸碱度）
8.7-9.3 (25 °C, 5% in solution)
密度
1.68 g/mL at 25 °C (lit.)
痕量阴离子
chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.005%
痕量阳离子
Fe: ≤0.001%
heavy metals: ≤0.001% (by ICP)
SMILES字符串
O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O
InChI
1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2
InChI key
PYLIXCKOHOHGKQ-UHFFFAOYSA-L
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一般描述
七水合磷酸二钠是磷酸二钠（DSP）或正磷酸氢二钠的水合形式。DSP 被广泛用作 pH 调节剂和生理盐水泻药。
应用
七水二磷酸钠、磷酸一碱钾和 NaCl 在去离子水中的混合物用于制备磷酸盐缓冲盐水（PBS，pH值7.4）。PBS 在生物学研究中用作缓冲溶液，以保持 pH 恒定。
储存分类代码
13 - Non Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
Irina Petrova et al.
Scientific reports, 9(1), 8745-8745 (2019-06-21)
Circulating cancer markers are metabolic products found in body fluids of cancer patients, which are specific for a certain type of malignant tumors. Cancer marker detection plays a key role in cancer diagnosis, treatment, and disease monitoring. The growing need
Christian M Schürch et al.
Cell, 182(5), 1341-1359 (2020-08-09)
Antitumoral immunity requires organized, spatially nuanced interactions between components of the immune tumor microenvironment (iTME). Understanding this coordinated behavior in effective versus ineffective tumor control will advance immunotherapies. We re-engineered co-detection by indexing (CODEX) for paraffin-embedded tissue microarrays, enabling simultaneous
Walter Grünberg et al.
The British journal of nutrition, 110(6), 1012-1023 (2013-04-03)
Hypophosphataemia is frequently encountered in dairy cows during early lactation. Although supplementation of P is generally recommended, controversy exists over the suitability of oral P supplementation in animals with decreased or absent rumen motility. Since the effects of transruminal P
Francesca Vallese et al.
Nature communications, 11(1), 6069-6069 (2020-11-29)
Membrane contact sites between virtually any known organelle have been documented and, in the last decades, their study received momentum due to their importance for fundamental activities of the cell and for the subtle comprehension of many human diseases. The
Sebastian Baumann et al.
Science advances, 6(11), eaaz1588-eaaz1588 (2020-03-24)
Through the asymmetric distribution of messenger RNAs (mRNAs), cells spatially regulate gene expression to create cytoplasmic domains with specialized functions. In neurons, mRNA localization is required for essential processes such as cell polarization, migration, and synaptic plasticity underlying long-term memory
商品
LC-UV-MS workflow details teriparatide peptide mapping, including enzymatic digestion, separation conditions, and QTOF mass spectrometer identification.
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