跳转至内容
Merck
所有图片(1)

Key Documents

View All Documentation

71997

Sigma-Aldrich

无水硼砂

BioUltra, anhydrous, ≥99%

别名:

四硼酸钠

登录查看公司和协议定价
所有图片(1)

About This Item

线性分子式:
Na2B4O7
CAS号:
1330-43-4
分子量:
201.22
EC號碼:
215-540-4
MDL號碼:
MFCD00081185
分類程式碼代碼:
12352302
PubChem物質ID:
329763686
NACRES:
NA.25

品質等級

200

產品線

BioUltra

化驗

≥99%

形狀

crystals

雜質

insoluble matter, passes filter test

損耗

≤1% loss on drying, 20 °C (HV)

pH值

9.0-10.5 (25 °C, 0.1 M in H2O)

溶解度

H2O: 0.1 M at 20 °C, clear, colorless

負離子痕跡

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤20 mg/kg
sulfate (SO42-): ≤50 mg/kg

正離子痕跡

Al: ≤5 mg/kg
As: ≤0.5 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

&lambda ；

0.1 M in H2O

紫外吸收

λ: 260 nm Amax: ≤0.020
λ: 280 nm Amax: ≤0.015

SMILES 字串

[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2

InChI

1S/B4O7.2Na/c5-1-7-3-9-2(6)10-4(8-1)11-3;;/q-2;2*+1

InChI 密鑰

UQGFMSUEHSUPRD-UHFFFAOYSA-N

正在寻找类似产品? 访问 产品对比指南

相关类别

法律資訊

象形圖

Health hazardExclamation mark
GHS08,GHS07

訊號詞

Danger

危險聲明

H319,H360FD

危險分類

Eye Irrit. 2 - Repr. 1B

儲存類別代碼

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

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 P3 (EN 143) respirator cartridges

从最新的版本中选择一种：

分析证书(COA)

Lot/Batch Number
BCCG6523
BCCD7933
BCBW8475
BCBV3707
BCBT6698

没有发现合适的版本？

如果您需要特殊版本，可通过批号或批次号查找具体证书。

搜索COA

已有该产品？

在文件库中查找您最近购买产品的文档。

访问文档库

其他客户在看

Slide 1 of 1

1 of 1

四硼酸钠 十水合物 puriss., meets analytical specification of Ph. Eur., BP, NF, 99.0-103.0%

Sigma-Aldrich

11625

四硼酸钠 十水合物

Jamshed Iqbal et al.
Journal of chromatography. A, 1218(29), 4764-4771 (2011-06-15)
A simple, efficient, and highly sensitive in-line CE method was developed for the characterization and for inhibition studies of the nucleoside-metabolizing enzymes purine nucleoside phosphorylase (PNP) and adenosine deaminase (ADA) present in membrane preparations of human 1539 melanoma cells. After
Ho-Yong Kim et al.
Environmental toxicology and chemistry, 30(6), 1297-1305 (2011-03-08)
Okara, an organic waste product obtained from soy milk production, was used with copper chloride or sodium borate to formulate new wood preservatives as a substitute for expensive wood preservatives, such as copper-azole-based preservatives and ammoniacal copper quaternary. Before formulating
Ruina Li et al.
Journal of hazardous materials, 248-249, 268-275 (2013-02-07)
Rapid analysis of trace amount of aromatic amines in environmental samples and daily necessities has attracted considerable attentions because some of them are strongly toxic and carcinogenic. In this study, fast and efficient electrophoretic separation and sensitive determination of 5
Tingyao Zhou et al.
Nanoscale, 4(17), 5312-5315 (2012-07-28)
A facile approach was developed to prepare positively charged and red-emitting lysozyme-stabilized Ag nanoclusters (Lys-AgNCs) using NaBH₄ as a reducing agent at room temperature. The Lys-AgNCs can be applied in the highly selective detection of Hg²⁺.
Tatiana S Fukuji et al.
Journal of pharmaceutical and biomedical analysis, 51(2), 430-438 (2009-06-24)
In this work, the separation of nine phenolic acids (benzoic, caffeic, chlorogenic, p-coumaric, ferulic, gallic, protocatechuic, syringic, and vanillic acid) was approached by a 3(2) factorial design in electrolytes consisting of sodium tetraborate buffer (STB) in the concentration range of
查看所有相关文献

我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系技术服务部门