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Rohrer And Klingner – Cassia



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ROHRER AND KLINGNER – CASSIA

Bottled ink. Bought from Pen’s Avenue. Indian online site. 50 ml- 695 Rs.

BOTTLE

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Pharmaceutical bottle. Rather uninspiring. Narrower base and more height . Aluminum cap. Can’t see any sense in this design. Agreed, it’s rather cheap, but there are cheaper things with more thought inputs. Amber colored glass is a nice feature which provides photo protection on longer storage.

INK

COLOR

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Bright pleasing Purple color. Not too bright to make reading uncomfortable.

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Written with a broad calligraphy nib. We are analyzing this color.

 

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As expected , the color is Purple in the spectrum. More blue, least Green and Red in between. There is no dark tinge involved.

 

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A simple chromatography shows a Purple and a dark Blue dyes as components.

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Diluted in bottles, shows increasing concentrations from Left to Right.

 

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See the bottle mouth for a golden tinge of dried ink. This phenomenon is not seen on papers.

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No ink. This is Methyl Violet dye showing the same properties.

 

COLOR ON PAPER

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Fine nib. ( JK Excel bond paper )

 

Medium nib. ( JK Excel bond paper )

 

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Broad stub nib. ( JK Excel bond paper ).

 

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Cheap quality paper.

Note that the color varies with the type of paper. With low quality papers when ink is absorbed quickly, the intensity of color reduces.

 

PROPERTIES IN PEN

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With Camlin Fine nib.

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With Lamy Safari Medium Nib.

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With Calligraphy Nib.

 

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Line 1 shows color on keeping pen open for 10 mts.

Line 2 shows normal color.

The color can vary when pen is exposed to air. Also with pens having more flow, the ink shows deep blue color instead of purple.

INFERANCE - The ink is having a property of showing up subtle changes in its color itself according to the properties of pen and paper. The color can be purplish to deep blue.

 

FLOW PROPERTIES

The ink is having good flow. Compared with two well flowing inks. Chelpark Crimson Violet and Bril Turqoise blue, the latter having greater flow.

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All samples written on same paper with the same pen. See that the line width obtained with Bril ink was thicker than that of other two inks while that of Cassia and Crimson Violet are comparable.

INFERANCE - Cassia is having good flow properties in pens.

 

DRYING IN PEN

After seeing the golden tinged dried on bottle mouth and changes in color on exposure to atmosphere. I decided for drying test inside a pen. A piston filling pen, an eye dropper and a catridge pen were filled ( Partially filled) with the ink and allowed to dry with in them by keeping the pens open and examined after one week.

The following were observed.

The ink was drying to a film, there were no crusts or deposits formed. These were completely removed by plain water wash with a little rubbing with hands where ever possible.

The pens performed without any flow problems after that.

 

OTHER PROPERTIES

Ink is having good lubrication properties, compatible with a variety of pens. Ink staining was also not observed, though I haven’t tested on any transparent pens. No nib creeps were seen.

 

PROPERTIES ON PAPER

As observed there can be a slight color variation according to the paper.

SHADING

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Practically no shading.

 

FEATHERING

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On normal to good quality papers there is no feathering, but may come out as you begin to save some money on cheaper papers, or problem can occur when your job allows you to choose your pen and ink, but not papers.

 

BLEEDING

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Yes, It may also be a problem when you are in the same situation as above especially with good flow pens. Use a pen with low flow and still enough lubrication left in the ink to make a comfortable writing.

 

DRYING

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Reasonably fast drying. There are no problems to complaint here.

 

WATER RESISTANCE

 

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Sample shown in water for 10 seconds with in one hour after writing.

 

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Sample just wetted with water.

Thanks

Sree

Edited by S-K

One Day I'll Grow Up Like My Master.

 

 

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Thanks for the comprehensive review. The R&K inks are becoming favorites of mine, so it's especially interesting to see one analyzed in such detail.

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Thank you! Very nice review. I opened up a bottle of Cassia yesterday. This is the 2nd R&K ink I've tried. The first was Smaragdgrun. I have 9 more unopened R&K bottles to play with. After using these 2, I have the feeling I'll like the other 9 just as much.

Everyone should be respected as an individual, but no one idolized. -- Albert Einstein

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WOW - that's some in depth analysis. Thank you.

Fountain pens are my preferred COLOR DELIVERY SYSTEM (in part because crayons melt in Las Vegas).



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Hi Sreekumar, Another wonderful review.

 

I had sent a pm to you last week. Could you please check you personal messenger ?

 

thanks,

-saji

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Great review. Can you do it with R&K Salix, please?

«To the meaningless French idealisms: Liberty, Equality and Fraternity, we oppose the three German realities: Infantry, Cavalry, and Artillery».

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Thanks for the great review. This is one of my favorite inks. I've used it in quite a variety of pens without any trouble.

Rationalizing pen and ink purchases since 1967.

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      Even so, you'd end up with a fragmented list, and it becomes an O(N²) process for each prospective requestor to check what is available: effectively recreate the list of currently active servers (without any reliable up-to-date info upfront about the inks and number of samples on offer in the thread) from the sequential list of posts, which may be spread over two or even more pages, and then query each server independently to check what is currently on offer.   It comes down to not hav
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      I read your idea as getting willing givers to publicly register as members of a set of heterogenous servers, in a system in which a client would explicitly select an available server from a list, to which he/she will then send a request privately and asynchronously. Request handling in the system is unmanaged, and individual requests are handled by the targeted servers completely independently on each other. I think the model is fine, although there are some operational concerns you may want to
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