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Key Documents

431478

Sigma-Aldrich

磷酸钠 二元 七水合物

≥99.99% trace metals basis

同義詞:

磷酸氢二钠, 磷酸氢二钠 七水合物

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About This Item

線性公式:
Na2HPO4 · 7H2O
CAS號碼:
分子量::
268.07
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.22

蒸汽密度

4.9 (vs air)

品質等級

化驗

≥99.99% trace metals basis

形狀

solid

雜質

≤0.005% insolubles
<100 ppm total metallic impurities

pH值

8.7-9.3

密度

1.68 g/mL at 25 °C (lit.)

負離子痕跡

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.005%

正離子痕跡

Fe: ≤0.001%
heavy metals: ≤0.001%

SMILES 字串

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 密鑰

PYLIXCKOHOHGKQ-UHFFFAOYSA-L

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應用

已使用磷酸氢二钠七水合物制备磷酸钠缓冲液和磷酸盐缓冲盐水 (PBS) 缓冲液。[44}

特點和優勢

符合 A.C.S. 试剂规范。

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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分析證明 (COA)

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Bacterial Competition Assay Based on Extracellular D-amino Acid Production.
Alvarez L
Bio-protocol, 8(7), e2787-e2787 (2018)
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
Matthew H Crouthamel et al.
Arteriosclerosis, thrombosis, and vascular biology, 33(11), 2625-2632 (2013-08-24)
Elevated serum phosphate has emerged as a major risk factor for vascular calcification. The sodium-dependent phosphate cotransporter, PiT-1, was previously shown to be required for phosphate-induced osteogenic differentiation and calcification of cultured human vascular smooth muscle cells (VSMCs), but its
M A Marzouk et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 114, 658-667 (2013-07-03)
The effects of gamma irradiation on spectral properties of Cr2O3-doped phosphate glasses of three varieties, namely sodium metaphosphate, lead metaphosphate and zinc metaphosphate have been investigated. Optical spectra of the undoped samples reveal strong UV absorption bands which are attributed
H Meredith et al.
International journal of food microbiology, 166(2), 309-315 (2013-08-27)
Campylobacteriosis is the most common foodborne bacterial infection in developed countries and many cases are associated with poultry. This study investigated the immediate and storage effect of dipping inoculated poultry skin samples in trisodium phosphate (TSP, 10 & 14%, w/v)

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