SILICA - 912 ads

Wednesday, June 19, 2019

The most important process of the whole purification is selecting the most suitable Flash column. And now we will talk about the key content of the column: stationary phase. Stationary phase, commonly known as filler, is the most central part of chromatography. When we choose the...

Saturday, June 15, 2019

What is SPE Cartridge? The term SPE cartridges is short for Solid Phase Extraction cartridge. It is a kind of sample preprocessing equipment (extract, separate and concentrate) which is developed from the chromatographic column. SPE cartridge is mainly used for preprocessing of the...

Friday, June 14, 2019

Quantity : 1000 - Price : 1 000,00 €

Huatai Industrial (Hong Kong) Co., Ltd. is a professional manufacturer of all kinds of rubber seals, cylinders, cylinder seals, mechanical seals, rubber molds, hardware and other products. Our products use imported rubber compounds, such as NBR-JSR-BAYER, EP35 / EP48 EPDM rubber,...

Friday, June 14, 2019

As a simple and fast absorption chromatography technique for the routine purification of organic compounds, flash chromatography is developed for the daily purification of reaction products in the lab, which is low costs and achieves separations of samples (0.01-10.0 g weight) in short time...

Friday, June 14, 2019

Hawach introduced the properties and application range of HPLC column stationary phase in the silica gel matrix. Silica gel matrix: Silica gel, weakly acidic, has a strong memory, used to separate non-polar, weakly acidic compounds, oils, etc.; C18, a silica-based uncapped reversed-phase...

Thursday, June 13, 2019

Quantity : 1

Sand dryer (also called river sand dryer,silica sand dryer) is a kind of drying equipment that drying river sand, yellow sand, quartz sand, sea sand, molding sand, foundry sand and other materials with good fluidity. Why choose Mingzheng sand dryer: 1. The environmental protection...

Tuesday, June 11, 2019

Developed in the 1970s, flash column chromatography is the method of isolating and purifying a component from a mixture by passing the sample through the flash column filled with a gel. The inventors of flash column chromatography were using medium pressure chromatography and short...

Friday, June 07, 2019

Quantity : 1 - Price : undetermined

- Raymond Mill - As national powder R&D center, GUIKUANG has made much efforts and contributions for the development of powder industry more than 40 years. Raymond mill has been through decades of history in China. As one of earliest Raymond mill manufacturers, GUIKUANG keeps...

Thursday, June 06, 2019

The fast liquid chromatography column optimization function, or “GO” function, converts the linear gradient into a step gradient and optimizes the elution conditions near the confirmed elution peak. First, purify a small portion of the sample with a small column and wait until the...

Wednesday, June 05, 2019

Raw Materials Japan AGC Glass with 0.33mm thickness Japan explosion-proof AB glue South Korean imported Coating Processing Methods Imported high quality glass raw materials Etched glass shape and hole Tempered glass processing Vacuum plasma coating to anti-fingerprint on glass surface...

Monday, June 03, 2019

Features of JH-908 ITE Mini Digital Hearing Aid Hearing Amplifier 1. Hot-selling worldwide for this item and well known; 2. Merely the smallest CIC model in this price level, comfortable in the ear; 3. Suitable for patients of all ages 4. Good and steady sound performance, balanced...

Friday, May 31, 2019

Flash Columns Series Flash Columns produced by Hawachhas three series as follows. StarFlash Only silica gel columns are optional with another two types of standard and high-grade level which has higher purity degree and better quality than the former. PureFlash Corresponding to silica...

Monday, April 29, 2019

C1 HPLC columns are made of ultra-pure silica gel, unique stationary phase bonding technology. High column efficiency, good peak shape symmetry, wide pH range. C1 HPLC Columns Location : Xi'an City , Shaanxi Province, P.R.China, 710077 Xi'an, Contact : Bruce Lu, +86 29 89284429

Monday, April 29, 2019

CN (cyanopropyl) solid phase extraction (SPE) cartridge, CN (cyanopropyl) is a weakly hydrophobic silica matrix filler, which can be used as a normal phase or reverse phase adsorbent. The non-polar or weakly polar acid, medium and basic compounds are extracted from the aqueous solution...

Saturday, February 02, 2019

Horse Hoof Pick, Hoof Pick Brush with Grip, Hoof Pick Horse Hoof Pick, Size: 170 mm x 86 mm,The handle is made of silica gel, which is very soft. Location : Block 8, Shangjing Masion, Panlongcheng Economic Development Zone, Huangpi District, 430300 Hubei, Contact : Lin Leeou, 86 27...

Saturday, December 08, 2018

Quantity : 1,000 Metr - Price : US$ 195/- per Metric

We have Chrome Ore readily available in stock. It is 30.5% pure (chromite content). We can arrange more quantities on a regular monthly basis for shipments. Once we have firm orders, we can arrange by extraction through mining. Shipments can be arranged either on FOB ex-Karachi port...

Thursday, November 29, 2018

Investment Casting 1) Processes: Silica sol, Complex Shell Process, Water glass. 2) Materials: any grade of stainless steel, Carbon Steel, Alloy steel, iron alloy nickel bases and chrome bases, copper,brass and aluminum or according the customer's request 3) Weight: Silica sol: 0...

Thursday, November 29, 2018

Investment Casting 1) Processes: Silica sol, Complex Shell Process, Water glass. 2) Materials: any grade of stainless steel, Carbon Steel, Alloy steel, iron alloy nickel bases and chrome bases, copper,brass and aluminum or according the customer's request 3) Weight: Silica sol: 0...

Thursday, November 29, 2018

Investment Casting 1) Processes: Silica sol, Complex Shell Process, Water glass. 2) Materials: any grade of stainless steel, Carbon Steel, Alloy steel, iron alloy nickel bases and chrome bases, copper,brass and aluminum or according the customer's request 3) Weight: Silica sol: 0...

Thursday, November 29, 2018

nvestment Casting 1) Processes: Silica sol, Complex Shell Process, Water glass. 2) Materials: any grade of stainless steel, Carbon Steel, Alloy steel, iron alloy nickel bases and chrome bases, copper,brass and aluminum or according the customer's request 3) Weight: Silica sol: 0...

Thursday, November 29, 2018

Investment Casting 1) Processes: Silica sol, Complex Shell Process, Water glass. 2) Materials: any grade of stainless steel, Carbon Steel, Alloy steel, iron alloy nickel bases and chrome bases, copper,brass and aluminum or according the customer's request 3) Weight: Silica sol: 0...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-116 Personal Sound Amplifier Behind The Ear Hearing Aid - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/44 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-907 ITE Mini Hearing Aid Hearing Amplifier - Max Sound Output 120 ± 5dB Voltage 1.5V Sound Gain ≥35dB/28 Battery size A10 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 100 Operation Current ≤6mA Operation current/mA 3.5 Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-900a ITE Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/49.4 Battery size A312 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 160 Operation Current ≤4mA Operation current/mA 1.6 Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-906 ITE Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.5V Sound Gain ≥35dB Battery size AG3 Total Harmonic Wave Distortion ≤7% Battery capacity/Mah 43 Operation Current ≤6mA Operation current/mA 1.7 Frequency Range 200-4000Hz...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-119 BTE Bluetooth Earphone Appearance Ear Zoom Hearing Aid Hearing Amplifier - Max Sound Output 135 ± 5dB Voltage 1.5V Sound Gain ≥35dB Battery size AG13 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 160 Operation Current ≤4mA Operation...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-D04 BTE FM Balanced Armature Loudspeaker Hearing Aid Hearing Amplifier - Max Sound Output 125±3dB Voltage 1.5V Sound Gain 35±5dB Battery Type LR754 Total Harmonic ≤10% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier - Max Sound Output 130±3dB Sound Gain 40±5dB Total Harmonic Wave Distortion 500HZ<3%<br /> 800HZ<5%<br /> 1600HZ<1%</td> Operation Current/mA...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-180 BTE BTE Ear Hook Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.5V Sound Gain ≥40dB Battery size LR754 Total Harmonic ≤6% Battery capacity/Mah 68 Wave Distortion Operation Current ≤4mA Operation current/mA 2.9 Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-117 Analog BTE Hearing Aid Hearing Amplifier - Max Sound Output 129dB±3 Voltage 1.5V Sound Gain ≥45dB±5 Battery size LR44H Total Harmonic ≤10% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current Frequency...