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71687

Sigma-Aldrich

氢氧化钠

BioUltra, for luminescence, ≥98.0% (T), pellets

同義詞:

氢氧化钠, 碱液, 苛性碱液, 苛性钠, ‘苛性钠’

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About This Item

線性公式:
NaOH
CAS號碼:
分子量::
40.00
EC號碼:
MDL號碼:
分類程式碼代碼:
12352316
PubChem物質ID:
NACRES:
NA.32

等級

for luminescence

蒸汽密度

>1 (vs air)

蒸汽壓力

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

產品線

BioUltra

化驗

≥98.0% (T)

形狀

pellets

技術

cell culture | mammalian: suitable

雜質

insoluble matter, passes filter test
≤0.0003% total nitrogen (N)
≤0.0005% silicon dioxide (SiO2)
≤1.0% sodium carbonate (Na2CO3)

mp

318 °C (lit.)

溶解度

H2O: 1 M at 20 °C, clear, colorless

密度

2.13 g/cm3

負離子痕跡

chloride (Cl-): ≤70 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤50 mg/kg

正離子痕跡

Ag: ≤5 mg/kg
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Hg: ≤0.1 mg/kg
K: ≤500 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

SMILES 字串

[OH-].[Na+]

&lambda ;

1 M in H2O

紫外吸收

λ: 260 nm Amax: 0.015
λ: 280 nm Amax: 0.01

適合性

in accordance for luminescence

InChI

1S/Na.H2O/h;1H2/q+1;/p-1

InChI 密鑰

HEMHJVSKTPXQMS-UHFFFAOYSA-M

尋找類似的產品? 前往 產品比較指南

一般說明

氢氧化钠,也称为苛性钠或碱液,是一种白色结晶无味的固体,具有腐蚀性,可从空气中吸收水分。当氢氧化钠溶解在水中时,会产生热量点燃可燃物。氢氧化钠以颗粒的形式溶解后,会形成一种无色的液体,密度比水大。

應用

氢氧化钠通常以固体或 50% 的溶液形式使用。它适用于肥皂、造纸、人造丝、石油产品生产的各个阶段。它也被用于通过 FTIR 分析进行碳水化合物研究。用氢氧化钠作为预处理试剂研究酶解。

象形圖

Corrosion

訊號詞

Danger

危險聲明

危險分類

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

儲存類別代碼

8B - Non-combustible corrosive hazardous materials

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, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


分析證明 (COA)

輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號,寫有 ‘Lot’或‘Batch’.。

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文章

A key challenge for nanomaterial safety assessment is the ability to handle the large number of newly engineered nanomaterials (ENMs), including developing cost-effective methods that can be used for hazard screening.

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