跳转至内容
Merck
CN
所有图片(1)

主要文件

H16752

Sigma-Aldrich

腐植酸 钠盐

technical grade

别名:

叠氮化钠, 胡敏酸钠, 腐植酸钠

登录查看公司和协议定价
所有图片(1)

About This Item

CAS号:
68131-04-4
EC 号:
268-608-0
MDL编号:
MFCD00135560
UNSPSC代码:
12352100
NACRES:
NA.22

等级

technical grade

质量水平

100

mp

>300 °C (lit.)

正在寻找类似产品? 访问 产品对比指南

相关类别

一般描述

腐植酸对于重金属具有很好的络合能力。腐植酸钠盐作为腐殖酸底物代替物，是大气气溶胶中分离出的有机物质中的主要成分。

腐植酸钠盐，也称腐殖酸钠，用于合成高吸水性材料（superabsorbent）。

应用

腐植酸钠适合作为研究含有混合硫酸铵、己二酸和腐植酸混合物的固体气溶胶粒子吸湿生长的试剂。它还适合于作为研究相变化，以及傅立叶变换红外光谱（FTIR）和串联微分迁移率分析（TDMA）腐植酸气溶胶吸湿生长的试剂。

储存分类代码

13 - Non Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

从最新的版本中选择一种：

分析证书(COA)

Lot/Batch Number
SDBB1544
STBL1737
STBK4947
STBK1706
STBJ7326

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

  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. What is the molecular weight of Product H16752, Humic acid sodium salt?

    This product has a molecular weight range of 2,000-500,000.

  4. What is the source of Product H16752, Humic acid sodium salt?

    This product is the results from the decomposition of organic matter, particularly dead plants. It can be found in vegetable soil, peat, and/or soft coal.

  5. What are the impurities present in Product H16752, Humic acid sodium salt?

    Impurities are not determined for this product. The composition includeds polysaccharides, proteins, simple phenols, and chelated metal ions.

  6. Is Product H16752, Humic acid sodium salt purified?

    This product is of natural mined origin. The only purification step is washing with deionized water.

  7. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  8. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  9. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Synthesis and characterization of chitosan-g-poly (acrylic acid)/sodium humate superabsorbent
Liu J, et al.
Carbohydrate Polymers, 70, 166-173 (2007)
Sara P Azerrad et al.
Water research, 103, 424-434 (2016-08-06)
Removal of micropollutants from reverse osmosis (RO) brines of wastewater desalination by oxidation processes is influenced by the scavenging capacity of brines components, resulting in the accumulation of transformation products (TPs) rather than complete mineralization. In this work the iodinated
Qi Zhao et al.
Chemosphere, 256, 127021-127021 (2020-05-22)
The effect of gamma-irradiation doses of 0, 10, 100, and 500 kGy at the dose rates of 1 or 0.1 kGy/h on the molecular and chemical properties of humic substances (HS) were investigated using total organic carbon measurements, UV-Vis spectrometry, 13C nuclear magnetic
V Kuokkanen et al.
Water research, 79, 79-87 (2015-05-15)
Electrocoagulation (EC) treatment of 100 mg/L synthetic wastewater (SWW) containing humic acids was optimized (achieving 90% CODMn and 80% DOC removal efficiencies), after which real peat bog drainage waters (PBDWs) from three northern Finnish peat bogs were also treated. High pollutant
Yi Wang et al.
Environmental toxicology and chemistry, 34(7), 1588-1596 (2015-03-17)
Engineered nanoparticles (NPs) and natural organic matter (NOM) in the environment may interact with background contaminants such as heavy metals and modify their bioavailability and toxicity. In the present study, the combined influences of 2 common NPs (TiO2 and CeO2
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