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651818

Sigma-Aldrich

Gold etchant, standard

동의어(들):

Antistrumin, Potassium monoiodide

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크기 선택

500 ML
₩231,928

₩231,928

출고 가능일2025년 4월 18일세부사항

벌크 견적 요청
모든 사진(1)

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보기 변경
500 ML
₩231,928

About This Item

CAS Number:
7681-11-0
MDL number:
MFCD07370792
UNSPSC 코드:
12352302
NACRES:
NA.23
solubility:
H2O: miscible

₩231,928

출고 가능일2025년 4월 18일세부사항

벌크 견적 요청

구성

volatiles, 50-80%

Quality Level

100

bp

100 °C (lit.)
100 °C/1 atm

solubility

H2O: miscible

density

1.2924 g/mL at 25 °C (lit.)

SMILES string

[K+].[I-]

InChI

1S/HI.K/h1H;/q;+1/p-1

InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

관련 카테고리

일반 설명

Etching readily controlled with minimum undercutting. Room temperature operated. Cyanide-free for standard applications. Etch rate of 28 angstrom/sec @ 25 °C.
Gold etchant is a combination of potassium iodide and iodine as complexing agents synthesized by electrochemically oxidizing gold.[1]

애플리케이션

Gold etchant is a selective general-purpose etchant for gold, compatible with negative and positive photoresists. It is used to etch out gold (Au) electrodes prior to scanning electron microscopy (SEM) imaging for morphological study[2] and metal layer for the preparation of nanoelectrodes array.[3] Gold etchant can also be used in metal assisted chemical etching (MACE) for the fabrication of p-n junction silicon nanopillar based solar cells.[4]

픽토그램

Health hazard
GHS08

신호어

Danger

유해 및 위험 성명서

H372

예방조치 성명서

P260 - P264 - P270 - P314 - P501

Hazard Classifications

STOT RE 1 Oral

표적 기관

Thyroid

Storage Class Code

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

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)

가장 최신 버전 중 하나를 선택하세요:

시험 성적서(COA)

Lot/Batch Number
MKCV5982
MKCW9292
MKCT0684
MKCT6170
MKCR5081

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COA 검색

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문서 라이브러리 방문

High performance nanopillars array silicon solar cells.
Design, Test, Integration and Packaging of MEMS/MOEMS (DTIP), 117(10), 1-5 (2013)
Scalable long-term extraction of photosynthetic electrons by simple sandwiching of nanoelectrode array with densely-packed algal cell film.
Kim J et al.
Biosensors And Bioelectronics, 117(10), 15-22 (2018)
Cyanide-and thiourea-free electrochemical etching of gold for microelectronics applications.
Hu Z and Ritzdorf T
Journal of the Electrochemical Society, 154(10), D543-D549 (2007)
A two-step annealing process for enhancing the ferroelectric properties of poly (vinylidene fluoride)(PVDF) devices.
Park H, et al.
Journal of Material Chemistry C, 3(10), 2366-2370 (2015)
Abhinav Sharma et al.
Scientific reports, 9(1), 5970-5970 (2019-04-14)
Cardiac troponin T (cTnT) is considered a clinical standard for its high specificity and sensitivity when diagnosing acute myocardial infarction; however, most studies on the electrical sensors of cardiac troponin biomarkers have focused on cTnI rather than cTnT. This study
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프로토콜

Negative Photoresist Procedure

Photoresist kit offers pre-weighed chemical components for lithographic processes, with separate etchants for various substrate choices.

질문

1–3 / 3 질문  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 답변

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 답변

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. Does this Au etchant etch GaAs? We bought this one for Silicon but not sure whether it works for GaAs

    1 답변

    1. Yes, Product 651818 etches GaAs.

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